Fix RSpec/EmptyExampleGroup cop (#24735)

.rubocop_todo.yml

@@ -183,41 +183,6 @@ RSpec/AnyInstance:
     - 'spec/workers/activitypub/delivery_worker_spec.rb'
     - 'spec/workers/web/push_notification_worker_spec.rb'
 
-# This cop supports unsafe autocorrection (--autocorrect-all).
-RSpec/EmptyExampleGroup:
-  Exclude:
-    - 'spec/helpers/admin/action_logs_helper_spec.rb'
-    - 'spec/models/account_alias_spec.rb'
-    - 'spec/models/account_deletion_request_spec.rb'
-    - 'spec/models/account_moderation_note_spec.rb'
-    - 'spec/models/announcement_mute_spec.rb'
-    - 'spec/models/announcement_reaction_spec.rb'
-    - 'spec/models/announcement_spec.rb'
-    - 'spec/models/backup_spec.rb'
-    - 'spec/models/conversation_mute_spec.rb'
-    - 'spec/models/custom_filter_keyword_spec.rb'
-    - 'spec/models/custom_filter_spec.rb'
-    - 'spec/models/device_spec.rb'
-    - 'spec/models/encrypted_message_spec.rb'
-    - 'spec/models/featured_tag_spec.rb'
-    - 'spec/models/follow_recommendation_suppression_spec.rb'
-    - 'spec/models/list_account_spec.rb'
-    - 'spec/models/list_spec.rb'
-    - 'spec/models/login_activity_spec.rb'
-    - 'spec/models/mute_spec.rb'
-    - 'spec/models/preview_card_spec.rb'
-    - 'spec/models/preview_card_trend_spec.rb'
-    - 'spec/models/relay_spec.rb'
-    - 'spec/models/scheduled_status_spec.rb'
-    - 'spec/models/status_stat_spec.rb'
-    - 'spec/models/status_trend_spec.rb'
-    - 'spec/models/system_key_spec.rb'
-    - 'spec/models/tag_follow_spec.rb'
-    - 'spec/models/unavailable_domain_spec.rb'
-    - 'spec/models/user_invite_request_spec.rb'
-    - 'spec/models/web/setting_spec.rb'
-    - 'spec/services/unmute_service_spec.rb'
-
 # Configuration parameters: CountAsOne.
 RSpec/ExampleLength:
   Max: 22