remove flutter_launcher_icons, use generated icons

Open issue at
fluttercommunity/flutter_launcher_icons#96
invalidates the use of the flutter_launcher_icon package. The now used
icons have been generated with IconKitchen.

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
   <background android:drawable="@color/ic_launcher_background"/>
-  <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+  <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+  <monochrome android:drawable="@mipmap/ic_launcher_monochrome"/>
 </adaptive-icon>

pubspec.lock

@@ -169,14 +169,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.0.0"
-  cli_util:
-    dependency: transitive
-    description:
-      name: cli_util
-      sha256: "66f86e916d285c1a93d3b79587d94bd71984a66aac4ff74e524cfa7877f1395c"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.3.5"
   clock:
     dependency: transitive
     description:
@@ -318,14 +310,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  flutter_launcher_icons:
-    dependency: "direct dev"
-    description:
-      name: flutter_launcher_icons
-      sha256: "02dcaf49d405f652b7160e882bacfc02cb497041bb2eab2a49b1c393cf9aac12"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.12.0"
   flutter_lints:
     dependency: "direct dev"
     description:

pubspec.yaml

@@ -44,7 +44,6 @@ dev_dependencies:
   chopper_generator: ^6.0.0
   json_serializable: ^6.6.0
   swagger_dart_code_generator: ^2.4.6
-  flutter_launcher_icons: ^0.12.0
   flutter_native_splash: ^2.2.19
 
 flutter:
@@ -83,20 +82,6 @@ flutter:
 flutter_intl:
   enabled: true
 
-flutter_icons:
-  android: true
-  ios: false
-  image_path: "assets/images/logo.png"
-  adaptive_icon_background: "#ffffff"
-  adaptive_icon_foreground: "assets/images/logo.png"
-  min_sdk_android: 21 # android min sdk min:16, default 21
-  web:
-    generate: false
-  windows:
-    generate: false
-  macos:
-    generate: false
-
 flutter_native_splash:
   android: true
   ios: false