Remove unnecessary :group attributes

* which-key.el:  Remove :group 'which-key in defcustoms.
(which-key-idle-delay):
(which-key-idle-secondary-delay):
(which-key-echo-keystrokes):
(which-key-max-description-length):
(which-key-min-column-description-width):
(which-key-add-column-padding):
(which-key-unicode-correction):
(which-key-dont-use-unicode):
(which-key-separator):
(which-key-ellipsis):
(which-key-prefix-prefix):
(which-key-compute-remaps):
(which-key-replacement-alist):
(which-key-allow-multiple-replacements):
(which-key-show-docstrings):
(which-key-highlighted-command-list):
(which-key-special-keys):
(which-key-buffer-name):
(which-key-show-prefix):
(which-key-popup-type):
(which-key-min-display-lines):
(which-key-max-display-columns):
(which-key-side-window-location):
(which-key-side-window-slot):
(which-key-side-window-max-width):
(which-key-side-window-max-height):
(which-key-frame-max-width):
(which-key-frame-max-height):
(which-key-allow-imprecise-window-fit):
(which-key-show-remaining-keys):
(which-key-sort-order):
(which-key-sort-uppercase-first):
(which-key-paging-prefixes):
(which-key-paging-key):
(which-key-use-C-h-commands):
(which-key-show-early-on-C-h):
(which-key-is-verbose):
(which-key-preserve-window-configuration):
(which-key-hide-alt-key-translations):
(which-key-delay-functions):
(which-key-allow-regexps):
(which-key-inhibit-regexps):
(which-key-show-transient-maps):
(which-key-init-buffer-hook):

which-key.el

@@ -61,7 +61,6 @@ This variable should be set before activating `which-key-mode'.
 A value of zero might lead to issues, so a non-zero value is
 recommended
 (see https://github.com/justbur/emacs-which-key/issues/134)."
-  :group 'which-key
   :type 'float
   :version "1.0")
 
@@ -70,7 +69,6 @@ recommended
 This makes it possible to shorten the delay for subsequent popups
 in the same key sequence. The default is for this value to be
 nil, which disables this behavior."
-  :group 'which-key
   :type '(choice float (const :tag "Disabled" nil))
   :version "1.0")
 
@@ -84,7 +82,6 @@ This only applies if `which-key-popup-type' is minibuffer or
 `which-key-show-prefix' is echo.  It needs to be less than
 `which-key-idle-delay' or else the keystroke echo will erase the
 which-key popup."
-  :group 'which-key
   :type 'float
   :version "1.0")
 
@@ -95,7 +92,6 @@ characters), a float (use that fraction of the available width),
 or a function, which takes one argument, the available width in
 characters, and whose return value has one of the types mentioned
 before.  Truncation is done using `which-key-ellipsis'."
-  :group 'which-key
   :type '(choice (const :tag "Disable truncation" nil)
 		 (integer :tag "Width in characters")
 		 (float :tag "Use fraction of available width")
@@ -104,13 +100,11 @@ before.  Truncation is done using `which-key-ellipsis'."
 
 (defcustom which-key-min-column-description-width 0
   "Every column should at least have this width."
-  :group 'which-key
   :type 'natnum
   :version "1.0")
 
 (defcustom which-key-add-column-padding 0
   "Additional spaces to add to the left of each key column."
-  :group 'which-key
   :type 'integer
   :version "1.0")
 
@@ -127,15 +121,13 @@ contributed by any wide unicode characters to be up to one
 additional ASCII character in the which-key buffer.  Increase this
 number if you are seeing characters get cutoff on the right side
 of the which-key popup."
-  :group 'which-key
   :type 'integer
   :version "1.0")
 
 (defcustom which-key-dont-use-unicode nil
   "If non-nil, don't use any unicode characters in default setup.
 For affected settings, see `which-key-replacement-alist', `which-key-ellipsis'
 'which-key-separator'."
-  :group 'which-key
   :type 'boolean
   :version "1.0")
 
@@ -144,7 +136,6 @@ For affected settings, see `which-key-replacement-alist', `which-key-ellipsis'
   "Separator to use between key and description.
 Default is \" → \", unless `which-key-dont-use-unicode' is non
 nil, in which case the default is \" : \"."
-  :group 'which-key
   :type 'string
   :version "1.0")
 
@@ -154,22 +145,19 @@ nil, in which case the default is \" : \"."
 Default is \"…\", unless `which-key-dont-use-unicode' is non nil,
 in which case the default is \"..\".  This can also be the empty
 string to truncate without using any ellipsis."
-  :group 'which-key
   :type 'string
   :version "1.0")
 
 (defcustom which-key-prefix-prefix "+"
   "Prefix string to indicate a key bound to a keymap.
 Default is \"+\"."
-  :group 'which-key
   :type 'string
   :version "1.0")
 
 (defcustom which-key-compute-remaps nil
   "If non-nil, show remapped commands.
 This applies to commands that have been remapped given the
 currently active keymaps."
-  :group 'which-key
   :type 'boolean
   :version "1.0")
 
@@ -211,7 +199,6 @@ the key binding is ignored by which-key.
 Finally, you can multiple replacements to occur for a given key
 binding by setting `which-key-allow-multiple-replacements' to a
 non-nil value."
-  :group 'which-key
   :type '(alist :key-type (cons (choice regexp (const nil))
                                 (choice regexp (const nil)))
                 :value-type (cons (choice string (const nil))
@@ -224,7 +211,6 @@ When non-nil, this allows a single key binding to match multiple
 patterns in `which-key-replacement-alist'. When nil, only the
 first match is used to perform replacements from
 `which-key-replacement-alist'."
-  :group 'which-key
   :type 'boolean
   :version "1.0")
 
@@ -235,7 +221,6 @@ break. If you set this variable to the symbol docstring-only,
 then the command's name with be omitted. You probably also want
 to adjust `which-key-max-description-length' at the same time if
 you use this feature."
-  :group 'which-key
   :type '(radio
           (const :tag "Do not show docstrings" nil)
           (const :tag "Add docstring to command names" t)
@@ -249,7 +234,6 @@ matching command names and use
 `which-key-highlighted-command-face' for any matching names. If
 the element is a cons cell, it should take the form (regexp .
 face to apply)."
-  :group 'which-key
   :type  '(repeat (choice string (cons regexp face)))
   :version "1.0")
 
@@ -259,21 +243,18 @@ They also have `which-key-special-key-face' applied to them. This
 is disabled by default. An example configuration is
 
 \(setq which-key-special-keys \\='(\"SPC\" \"TAB\" \"RET\" \"ESC\" \"DEL\")\)"
-  :group 'which-key
   :type '(repeat string)
   :version "1.0")
 
 (defcustom which-key-buffer-name " *which-key*"
   "Name of which-key buffer."
-  :group 'which-key
   :type 'string
   :version "1.0")
 
 (defcustom which-key-show-prefix 'echo
   "Whether to and where to display the current prefix sequence.
 Possible choices are echo for echo area (the default), left, top
 and nil. Nil turns the feature off."
-  :group 'which-key
   :type '(radio (const :tag "Left of the keys" left)
                 (const :tag "In the first line" top)
                 (const :tag "In the last line" bottom)
@@ -284,7 +265,6 @@ and nil. Nil turns the feature off."
 
 (defcustom which-key-popup-type 'side-window
   "Supported types are minibuffer, side-window, frame, and custom."
-  :group 'which-key
   :type '(radio (const :tag "Show in minibuffer" minibuffer)
                 (const :tag "Show in side window" side-window)
                 (const :tag "Show in popup frame" frame)
@@ -293,14 +273,12 @@ and nil. Nil turns the feature off."
 
 (defcustom which-key-min-display-lines 1
   "Minimum number of horizontal lines to display in the which-key buffer."
-  :group 'which-key
   :type 'integer
   :version "1.0")
 
 (defcustom which-key-max-display-columns nil
   "Maximum number of columns to display in the which-key buffer.
 A value of nil means don't impose a maximum."
-  :group 'which-key
   :type '(choice integer (const :tag "Unbounded" nil))
   :version "1.0")
 
@@ -310,7 +288,6 @@ Should be one of top, bottom, left or right.  You can also specify
 a list of two locations, like (right bottom).  In this case, the
 first location is tried.  If there is not enough room, the second
 location is tried."
-  :group 'which-key
   :type '(radio (const right)
                 (const bottom)
                 (const left)
@@ -330,35 +307,30 @@ specified side.  A negative value means use a slot
 preceding (that is, above or on the left of) the middle slot.  A
 positive value means use a slot following (that is, below or on
 the right of) the middle slot.  The default is zero."
-  :group 'which-key
   :type 'integer
   :version "1.0")
 
 (defcustom which-key-side-window-max-width 0.333
   "Maximum width of which-key popup when type is side-window.
 This variable can also be a number between 0 and 1. In that case,
 it denotes a percentage out of the frame's width."
-  :group 'which-key
   :type 'float
   :version "1.0")
 
 (defcustom which-key-side-window-max-height 0.25
   "Maximum height of which-key popup when type is side-window.
 This variable can also be a number between 0 and 1. In that case, it denotes
 a percentage out of the frame's height."
-  :group 'which-key
   :type 'float
   :version "1.0")
 
 (defcustom which-key-frame-max-width 60
   "Maximum width of which-key popup when type is frame."
-  :group 'which-key
   :type 'integer
   :version "1.0")
 
 (defcustom which-key-frame-max-height 20
   "Maximum height of which-key popup when type is frame."
-  :group 'which-key
   :type 'integer
   :version "1.0")
 
@@ -369,13 +341,11 @@ this on may help.
 
 See https://github.com/justbur/emacs-which-key/issues/130
 and https://github.com/justbur/emacs-which-key/issues/225."
-  :group 'which-key
   :type 'boolean
   :version "1.0")
 
 (defcustom which-key-show-remaining-keys nil
   "Show remaining keys in last slot, when keys are hidden."
-  :group 'which-key
   :type '(radio (const :tag "Yes" t)
                 (const :tag "No" nil))
   :version "1.0")
@@ -394,7 +364,6 @@ are
 
 See the README and the docstrings for those functions for more
 information."
-  :group 'which-key
   :type '(choice (function-item which-key-key-order)
                  (function-item which-key-key-order-alpha)
                  (function-item which-key-description-order)
@@ -406,20 +375,17 @@ information."
   "If non-nil, uppercase comes before lowercase in sorting.
 This applies to the function chosen in
 `which-key-sort-order'. Otherwise, the order is reversed."
-  :group 'which-key
   :type 'boolean
   :version "1.0")
 
 (defcustom which-key-paging-prefixes '()
   "Enable paging for these prefixes."
-  :group 'which-key
   :type '(repeat string)
   :version "1.0")
 
 (defcustom which-key-paging-key "<f5>"
   "Key to use for changing pages.
 Bound after each of the prefixes in `which-key-paging-prefixes'"
-  :group 'which-key
   :type 'string
   :version "1.0")
 
@@ -439,7 +405,6 @@ Bound after each of the prefixes in `which-key-paging-prefixes'"
 Normally `help-char' after a prefix calls
 `describe-prefix-bindings'. This changes that command to a
 which-key paging command when which-key-mode is active."
-  :group 'which-key
   :type 'boolean
   :version "1.0")
 
@@ -456,13 +421,11 @@ using C-h.
 
 Note that `which-key-idle-delay' should be set before turning on
 `which-key-mode'."
-  :group 'which-key
   :type 'boolean
   :version "1.0")
 
 (defcustom which-key-is-verbose nil
   "Whether to warn about potential mistakes in configuration."
-  :group 'which-key
   :type 'boolean
   :version "1.0")
 
@@ -473,8 +436,6 @@ shown and restore it after which-key buffer is hidden. It
 prevents which-key from changing window position of visible
 buffers.  Only takken into account when popup type is
 side-window."
-  :group
-  'which-key
   :type 'boolean
   :version "1.0")
 
@@ -544,7 +505,6 @@ These translations are not relevant most of the times since a lot
 of terminals issue META modifier for the Alt key.
 
 See http://www.gnu.org/software/emacs/manual/html_node/emacs/Modifier-Keys.html"
-  :group 'which-key
   :type 'boolean
   :version "1.0")
 
@@ -561,7 +521,6 @@ this list to return a value is the value that is used.
 
 The delay time is effectively added to the normal
 `which-key-idle-delay'."
-  :group 'which-key
   :type '(repeat function)
   :version "1.0")
 
@@ -570,7 +529,6 @@ The delay time is effectively added to the normal
 When non-nil, for a key sequence to trigger the which-key popup
 it must match one of the regexps in this list.  The format of the
 key sequences is what is produced by `key-description'."
-  :group 'which-key
   :type '(repeat regexp)
   :version "1.0")
 
@@ -579,7 +537,6 @@ key sequences is what is produced by `key-description'."
 When non-nil, for a key sequence to trigger the which-key popup
 it cannot match one of the regexps in this list. The format of
 the key sequences is what is produced by `key-description'."
-  :group 'which-key
   :type '(repeat regexp)
   :version "1.0")
 
@@ -589,7 +546,6 @@ the key sequences is what is produced by `key-description'."
 More specifically, detect when `overriding-terminal-local-map' is
 set (this is the keymap used by `set-transient-map') and display
 it."
-  :group 'which-key
   :type 'boolean
   :version "1.0")
 
@@ -601,7 +557,6 @@ it."
 ;; Hooks
 (defcustom which-key-init-buffer-hook '()
   "Hook run when which-key buffer is initialized."
-  :group 'which-key
   :type 'hook
   :version "1.0")