sync language

Signed-off-by: 21pages <pages21@163.com>

flutter/lib/common.dart

@@ -218,17 +218,6 @@ class MyTheme {
     return dark ? ThemeMode.dark : ThemeMode.light;
   }
 
-  static registerEventHandler() {
-    if (desktopType != DesktopType.main) {
-      platformFFI.registerEventHandler('theme', 'theme-$desktopType', (evt) {
-        String? dark = evt['dark'];
-        if (dark != null) {
-          changeTo(dark == 'true');
-        }
-      });
-    }
-  }
-
   static ColorThemeExtension color(BuildContext context) {
     return Theme.of(context).extension<ColorThemeExtension>()!;
   }
@@ -238,14 +227,6 @@ class MyTheme {
   }
 }
 
-class ThemeModeNotifier {
-  final ValueNotifier<Brightness> brightness;
-  ThemeModeNotifier(this.brightness);
-  changeThemeBrightness({required Brightness brightness}) {
-    this.brightness.value = brightness;
-  }
-}
-
 bool isDarkTheme() {
   return Get.isDarkMode;
 }