feat: remove intl_utils, adapt install_dependencies script

pubspec.lock

@@ -829,14 +829,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.17.0"
-  intl_utils:
-    dependency: "direct dev"
-    description:
-      name: intl_utils
-      sha256: "413699c0f7a1123a9306c1f2f5ea8662677d25bdebf22ba4f3960e0069be3be2"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.8.1"
   introduction_screen:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -99,7 +99,6 @@ dev_dependencies:
   mockito: ^5.3.2
   bloc_test: ^9.1.0
   dependency_validator: ^3.0.0
-  intl_utils: ^2.7.0
   flutter_lints: ^1.0.0
   json_serializable: ^6.5.4
   dart_code_metrics: ^5.4.0

scripts/install_dependencies.sh

@@ -6,4 +6,4 @@ flutter pub run build_runner build --delete-conflicting-outputs
 popd
 flutter pub get
 flutter pub run build_runner build --delete-conflicting-outputs
-flutter pub run intl_utils:generate
+flutter gen-l10n