Removed agent related textures from the blacklist (#286)

* changed blacklist to match preview 1.20.70.20

* changed blacklist to match preview 1.20.70.20 (again)

Was so focused about the gui folder that I forgot about the ones in the ui folder

* Removed agent related textures

json/blacklisted_textures.json

@@ -151,10 +151,8 @@
         "misc/enchanted_item_glint",
         "misc/missing_texture",
         "items/boat",
-        "items/egg_agent",
         "items/quiver",
         "items/ruby",
-        "entity/agent",
         "entity/cape_invisible",
         "entity/char",
         "entity/horse/",
@@ -210,7 +208,6 @@
         "ui/hammersmashedits",
         "ui/highlight_slot",
         "ui/ic_send_white_48dp",
-        "ui/icon_agent",
         "ui/imagetaggedcorner",
         "ui/imagetaggedcornergreen",
         "ui/imagetaggedcornergreenhover",