[mob][photos] Remove unused file

mobile/lib/ui/home/custom_icons.dart

@@ -1,68 +0,0 @@
-import 'package:flutter_app_icon_changer/flutter_app_icon_changer.dart';
-
-class CustomIcons {
-  /// A list of all available [CustomIcon] instances.
-  static final List<CustomIcon> list = [
-    IconLight(),
-    IconDark(),
-    IconGreen(),
-  ];
-}
-
-/// A sealed class representing a custom app icon with a preview path.
-///
-/// This class cannot be extended outside of its library.
-sealed class CustomIcon extends AppIcon {
-  /// The file path to the preview image of the icon.
-  final String previewPath;
-
-  CustomIcon({
-    required this.previewPath,
-    required super.iOSIcon,
-    required super.androidIcon,
-    required super.isDefaultIcon,
-  });
-
-  /// Creates a [CustomIcon] instance from a string [icon] name.
-  ///
-  /// Returns the corresponding [CustomIcon] if found;
-  /// Otherwise, returns the default icon.
-  factory CustomIcon.fromString(String? icon) {
-    if (icon == null) return IconGreen();
-
-    return CustomIcons.list.firstWhere(
-      (e) => e.iOSIcon == icon || e.androidIcon == icon,
-      orElse: () => IconGreen(),
-    );
-  }
-}
-
-final class IconLight extends CustomIcon {
-  IconLight()
-      : super(
-          iOSIcon: 'IconLight',
-          androidIcon: 'IconLight',
-          previewPath: 'assets/icons/icon2.png',
-          isDefaultIcon: false,
-        );
-}
-
-final class IconDark extends CustomIcon {
-  IconDark()
-      : super(
-          iOSIcon: 'IconDark',
-          androidIcon: 'IconDark',
-          previewPath: 'assets/icons/icon2.png',
-          isDefaultIcon: false,
-        );
-}
-
-final class IconGreen extends CustomIcon {
-  IconGreen()
-      : super(
-          iOSIcon: 'IconGreen',
-          androidIcon: 'MainActivity',
-          previewPath: 'assets/icons/icon2.png',
-          isDefaultIcon: true,
-        );
-}