remove unnecessary override

app/lib/features/user/data/models/engine_settings.dart

@@ -85,9 +85,6 @@ class EngineSettings extends GeckoEngineSettings with FastEquatable {
 
   Map<String, dynamic> toJson() => _$EngineSettingsToJson(this);
 
-  @override
-  bool get cacheHash => true;
-
   @override
   List<Object?> get hashParameters => [
     super.javascriptEnabled,

app/lib/features/user/data/models/general_settings.dart

@@ -44,9 +44,6 @@ class GeneralSettings with FastEquatable {
 
   Map<String, dynamic> toJson() => _$GeneralSettingsToJson(this);
 
-  @override
-  bool get cacheHash => true;
-
   @override
   List<Object?> get hashParameters => [
     themeMode,