Enable Lint/RedundantCopDisableDirective (#23687)

.rubocop_todo.yml

@@ -3626,7 +3626,3 @@ Style/WordArray:
     - 'spec/services/activitypub/process_account_service_spec.rb'
     - 'spec/services/delete_account_service_spec.rb'
     - 'spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb'
-
-# don't clean out the manual directives overridden by generated file
-Lint/RedundantCopDisableDirective:
-  Enabled: false

app/serializers/initial_state_serializer.rb

@@ -10,7 +10,6 @@ class InitialStateSerializer < ActiveModel::Serializer
   has_one :push_subscription, serializer: REST::WebPushSubscriptionSerializer
   has_one :role, serializer: REST::RoleSerializer
 
-  # rubocop:disable Metrics/AbcSize
   def meta
     store = {
       streaming_api_base_url: Rails.configuration.x.streaming_api_base_url,

lib/mastodon/migration_helpers.rb

@@ -289,8 +289,6 @@ module Mastodon
     # determines this method to be too complex while there's no way to make it
     # less "complex" without introducing extra methods (which actually will
     # make things _more_ complex).
-    #
-    # rubocop: disable Metrics/AbcSize
     def update_column_in_batches(table_name, column, value)
       if transaction_open?
         raise 'update_column_in_batches can not be run inside a transaction, ' \