Revert workaround (#2316)

Reverting #2315 

## Pre-launch Checklist

- [x] I read the [Effective Dart: Style] _recently_, and have followed
its advice.
- [x] I signed the [CLA].
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-devrel
channel on [Discord].

<!-- Links -->
[Effective Dart: Style]:
https://dart.dev/guides/language/effective-dart/style
[CLA]: https://cla.developers.google.com/
[Discord]:
https://github.com/flutter/flutter/blob/master/docs/contributing/Chat.md

Author: domesticmouse

colorist/codelab_rebuild.yaml

@@ -123,20 +123,6 @@ steps:
       - name: Add Firebase AI Logic dependencies
         path: colorist
         flutter: pub add firebase_core firebase_ai
-      - name: Workaround https://github.com/dart-lang/sdk/issues/60784
-        path: colorist/pubspec.yaml
-        patch-u: |
-          --- b/colorist/step_02/pubspec.yaml
-          +++ a/colorist/step_02/pubspec.yaml
-          @@ -25,5 +25,8 @@ dev_dependencies:
-             json_serializable: ^6.9.5
-             custom_lint: ^0.7.5
-           
-          +dependency_overrides:
-          +  custom_lint_visitor: 1.0.0+7.3.0 
-          +
-           flutter:
-             uses-material-design: true
       - name: Add lib/firebase_options.dart
         path: colorist/lib/firebase_options.dart
         replace-contents: |
@@ -468,7 +454,7 @@ steps:
         patch-u: |
           --- b/colorist/step_03/pubspec.yaml
           +++ a/colorist/step_03/pubspec.yaml
-          @@ -30,3 +30,6 @@ dependency_overrides:
+          @@ -27,3 +27,6 @@ dev_dependencies:
 
            flutter:
              uses-material-design: true

colorist/step_01/pubspec.yaml

@@ -16,7 +16,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^5.0.0
+  flutter_lints: ^6.0.0
   build_runner: ^2.4.15
   riverpod_generator: ^2.6.5
   riverpod_lint: ^2.6.5

colorist/step_02/pubspec.yaml

@@ -18,15 +18,12 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^5.0.0
+  flutter_lints: ^6.0.0
   build_runner: ^2.4.15
   riverpod_generator: ^2.6.5
   riverpod_lint: ^2.6.5
   json_serializable: ^6.9.5
   custom_lint: ^0.7.5
 
-dependency_overrides:
-  custom_lint_visitor: 1.0.0+7.3.0 
-
 flutter:
   uses-material-design: true

colorist/step_03/pubspec.yaml

@@ -18,16 +18,13 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^5.0.0
+  flutter_lints: ^6.0.0
   build_runner: ^2.4.15
   riverpod_generator: ^2.6.5
   riverpod_lint: ^2.6.5
   json_serializable: ^6.9.5
   custom_lint: ^0.7.5
 
-dependency_overrides:
-  custom_lint_visitor: 1.0.0+7.3.0 
-
 flutter:
   uses-material-design: true
 

colorist/step_04/pubspec.yaml

@@ -18,16 +18,13 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^5.0.0
+  flutter_lints: ^6.0.0
   build_runner: ^2.4.15
   riverpod_generator: ^2.6.5
   riverpod_lint: ^2.6.5
   json_serializable: ^6.9.5
   custom_lint: ^0.7.5
 
-dependency_overrides:
-  custom_lint_visitor: 1.0.0+7.3.0 
-
 flutter:
   uses-material-design: true
 

colorist/step_05/pubspec.yaml

@@ -18,16 +18,13 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^5.0.0
+  flutter_lints: ^6.0.0
   build_runner: ^2.4.15
   riverpod_generator: ^2.6.5
   riverpod_lint: ^2.6.5
   json_serializable: ^6.9.5
   custom_lint: ^0.7.5
 
-dependency_overrides:
-  custom_lint_visitor: 1.0.0+7.3.0 
-
 flutter:
   uses-material-design: true
 

colorist/step_06/pubspec.yaml

@@ -18,16 +18,13 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^5.0.0
+  flutter_lints: ^6.0.0
   build_runner: ^2.4.15
   riverpod_generator: ^2.6.5
   riverpod_lint: ^2.6.5
   json_serializable: ^6.9.5
   custom_lint: ^0.7.5
 
-dependency_overrides:
-  custom_lint_visitor: 1.0.0+7.3.0 
-
 flutter:
   uses-material-design: true
 

colorist/step_07/pubspec.yaml

@@ -18,16 +18,13 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^5.0.0
+  flutter_lints: ^6.0.0
   build_runner: ^2.4.15
   riverpod_generator: ^2.6.5
   riverpod_lint: ^2.6.5
   json_serializable: ^6.9.5
   custom_lint: ^0.7.5
 
-dependency_overrides:
-  custom_lint_visitor: 1.0.0+7.3.0 
-
 flutter:
   uses-material-design: true