refactor(router): Remove country filter feature

- Removed country filter page
- Removed country filter bloc

Author: fulleni

lib/router/router.dart

@@ -14,11 +14,11 @@ import 'package:ht_main/authentication/view/request_code_page.dart';
 import 'package:ht_main/headline-details/bloc/headline_details_bloc.dart';
 import 'package:ht_main/headline-details/view/headline_details_page.dart';
 import 'package:ht_main/headlines-feed/bloc/categories_filter_bloc.dart'; // Import new BLoC
-import 'package:ht_main/headlines-feed/bloc/countries_filter_bloc.dart'; // Import new BLoC
+// import 'package:ht_main/headlines-feed/bloc/countries_filter_bloc.dart'; // Import new BLoC - REMOVED
 import 'package:ht_main/headlines-feed/bloc/headlines_feed_bloc.dart';
 import 'package:ht_main/headlines-feed/bloc/sources_filter_bloc.dart'; // Import new BLoC
 import 'package:ht_main/headlines-feed/view/category_filter_page.dart';
-import 'package:ht_main/headlines-feed/view/country_filter_page.dart';
+// import 'package:ht_main/headlines-feed/view/country_filter_page.dart'; // REMOVED
 import 'package:ht_main/headlines-feed/view/headlines_feed_page.dart';
 import 'package:ht_main/headlines-feed/view/headlines_filter_page.dart';
 import 'package:ht_main/headlines-feed/view/source_filter_page.dart';
@@ -400,24 +400,7 @@ GoRouter createRouter({
                               child: const SourceFilterPage(),
                             ),
                       ),
-                      // Sub-route for country selection
-                      GoRoute(
-                        path:
-                            Routes
-                                .feedFilterCountries, // Relative path: 'countries'
-                        name: Routes.feedFilterCountriesName,
-                        // Wrap with BlocProvider
-                        builder:
-                            (context, state) => BlocProvider(
-                              create:
-                                  (context) => CountriesFilterBloc(
-                                    countriesRepository:
-                                        context
-                                            .read<HtDataRepository<Country>>(),
-                                  ),
-                              child: const CountryFilterPage(),
-                            ),
-                      ),
+                      // Sub-route for country selection REMOVED
                     ],
                   ),
                 ],