removed unused code and files

lib/storage/base/settings.dart

@@ -4,7 +4,6 @@ import 'package:json_annotation/json_annotation.dart';
 import '../devTools/devToolsSettings.dart';
 import '../file/fileSettings.dart';
 import '../fileView/fileViewSettings.dart';
-import '../gradeAverages/gradeAveragesSettings.dart';
 import '../holidays/holidaysSettings.dart';
 import '../notification/notificationSettings.dart';
 import '../talk/talkSettings.dart';
@@ -21,7 +20,6 @@ class Settings {
   ThemeMode appTheme;
   bool devToolsEnabled;
 
-  GradeAveragesSettings gradeAveragesSettings;
   TimetableSettings timetableSettings;
   TalkSettings talkSettings;
   FileSettings fileSettings;
@@ -33,7 +31,6 @@ class Settings {
   Settings({
     required this.appTheme,
     required this.devToolsEnabled,
-    required this.gradeAveragesSettings,
     required this.timetableSettings,
     required this.talkSettings,
     required this.fileSettings,

lib/storage/base/settings.g.dart

@@ -9,8 +9,6 @@ part of 'settings.dart';
 Settings _$SettingsFromJson(Map<String, dynamic> json) => Settings(
       appTheme: Settings._themeFromJson(json['appTheme'] as String),
       devToolsEnabled: json['devToolsEnabled'] as bool,
-      gradeAveragesSettings: GradeAveragesSettings.fromJson(
-          json['gradeAveragesSettings'] as Map<String, dynamic>),
       timetableSettings: TimetableSettings.fromJson(
           json['timetableSettings'] as Map<String, dynamic>),
       talkSettings:
@@ -30,7 +28,6 @@ Settings _$SettingsFromJson(Map<String, dynamic> json) => Settings(
 Map<String, dynamic> _$SettingsToJson(Settings instance) => <String, dynamic>{
       'appTheme': Settings._themeToJson(instance.appTheme),
       'devToolsEnabled': instance.devToolsEnabled,
-      'gradeAveragesSettings': instance.gradeAveragesSettings.toJson(),
       'timetableSettings': instance.timetableSettings.toJson(),
       'talkSettings': instance.talkSettings.toJson(),
       'fileSettings': instance.fileSettings.toJson(),

lib/storage/gradeAverages/gradeAveragesSettings.dart

@@ -1,16 +0,0 @@
-
-import 'package:json_annotation/json_annotation.dart';
-
-part 'gradeAveragesSettings.g.dart';
-
-@JsonSerializable()
-class GradeAveragesSettings {
-  bool useGradeSystem;
-  bool askedForPreferredGradeSystem;
-  List<int> inputs;
-
-  GradeAveragesSettings({required this.useGradeSystem, required this.askedForPreferredGradeSystem, required this.inputs});
-
-  factory GradeAveragesSettings.fromJson(Map<String, dynamic> json) => _$GradeAveragesSettingsFromJson(json);
-  Map<String, dynamic> toJson() => _$GradeAveragesSettingsToJson(this);
-}

lib/storage/gradeAverages/gradeAveragesSettings.g.dart

@@ -1,24 +0,0 @@
-// GENERATED CODE - DO NOT MODIFY BY HAND
-
-part of 'gradeAveragesSettings.dart';
-
-// **************************************************************************
-// JsonSerializableGenerator
-// **************************************************************************
-
-GradeAveragesSettings _$GradeAveragesSettingsFromJson(
-        Map<String, dynamic> json) =>
-    GradeAveragesSettings(
-      useGradeSystem: json['useGradeSystem'] as bool,
-      askedForPreferredGradeSystem:
-          json['askedForPreferredGradeSystem'] as bool,
-      inputs: (json['inputs'] as List<dynamic>).map((e) => e as int).toList(),
-    );
-
-Map<String, dynamic> _$GradeAveragesSettingsToJson(
-        GradeAveragesSettings instance) =>
-    <String, dynamic>{
-      'useGradeSystem': instance.useGradeSystem,
-      'askedForPreferredGradeSystem': instance.askedForPreferredGradeSystem,
-      'inputs': instance.inputs,
-    };