refactor(l10n): remove unused ad platform type localizations

- Remove "adPlatformTypeLocal" and its description from app_ar.arb and app_en.arb
- This change reflects the removal of the unused LocalAds platform type

Author: fulleni

lib/l10n/app_localizations.dart

@@ -2174,12 +2174,6 @@ abstract class AppLocalizations {
   /// **'AdMob'**
   String get adPlatformTypeAdmob;
 
-  /// The name of the Local ad platform for custom ads.
-  ///
-  /// In en, this message translates to:
-  /// **'Local'**
-  String get adPlatformTypeLocal;
-
   /// Tab title for Native Ads in local ads management.
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_ar.dart

@@ -1163,9 +1163,6 @@ class AppLocalizationsAr extends AppLocalizations {
   @override
   String get adPlatformTypeAdmob => 'أدموب';
 
-  @override
-  String get adPlatformTypeLocal => 'محلي';
-
   @override
   String get nativeAdsTab => 'إعلانات أصلية';
 

lib/l10n/app_localizations_en.dart

@@ -1162,9 +1162,6 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get adPlatformTypeAdmob => 'AdMob';
 
-  @override
-  String get adPlatformTypeLocal => 'Local';
-
   @override
   String get nativeAdsTab => 'Native Ads';
 

lib/l10n/arb/app_ar.arb

@@ -1448,10 +1448,6 @@
   "@adPlatformTypeAdmob": {
     "description": "اسم منصة إعلانات أدموب."
   },
-  "adPlatformTypeLocal": "محلي",
-  "@adPlatformTypeLocal": {
-    "description": "اسم منصة الإعلانات المحلية للإعلانات المخصصة."
-  },
   "nativeAdsTab": "إعلانات أصلية",
   "@nativeAdsTab": {
     "description": "عنوان تبويب الإعلانات الأصلية في إدارة الإعلانات المحلية."

lib/l10n/arb/app_en.arb

@@ -1448,10 +1448,6 @@
   "@adPlatformTypeAdmob": {
     "description": "The name of the AdMob ad platform."
   },
-  "adPlatformTypeLocal": "Local",
-  "@adPlatformTypeLocal": {
-    "description": "The name of the Local ad platform for custom ads."
-  },
   "nativeAdsTab": "Native Ads",
   "@nativeAdsTab": {
     "description": "Tab title for Native Ads in local ads management."