remove language description from settings

apps/weblibre/lib/features/settings/presentation/screens/general_settings.dart

@@ -91,7 +91,7 @@ class GeneralSettingsScreen extends StatelessWidget {
   Widget build(BuildContext context) {
     return const SettingsDetailScaffold(
       title: 'General',
-      subtitle: 'Appearance, language, downloads, and browser defaults.',
+      subtitle: 'Appearance, downloads, and browser defaults.',
       icon: Icons.tune,
       sections: generalSettingsSections,
     );

apps/weblibre/lib/features/settings/presentation/screens/settings.dart

@@ -98,7 +98,7 @@ _CategoryGroups _buildCategories() {
   final browser = [
     _SettingsCategoryDefinition(
       title: 'General',
-      subtitle: 'Appearance, language, downloads',
+      subtitle: 'Appearance, downloads',
       icon: Icons.tune,
       keywords: const ['theme', 'ui zoom', 'default browser'],
       sections: generalSettingsSections,