Satisfy rubocop[ci skip]

db/migrate/20140907223153_remove_columns_for_services.rb

+# rubocop:disable Migration/RemoveColumn
 class RemoveColumnsForServices < ActiveRecord::Migration
   def change
     remove_column :services, :username, :string

db/migrate/20141230100055_remove_old_fields_from_namespace.rb

+# rubocop:disable Migration/RemoveColumn
 class RemoveOldFieldsFromNamespace < ActiveRecord::Migration
   def up
     remove_column :namespaces, :ldap_cn

db/migrate/20160302141317_rename_header_field_on_appearrance.rb

+# rubocop:disable Migration/RemoveColumn
 class RenameHeaderFieldOnAppearrance < ActiveRecord::Migration
   def up
     unless column_exists?(:appearances, :header_logo)

db/migrate/20160718211059_remove_last_ldap_sync_status_from_groups.rb

 # Migration type: online without errors (works on previous version and new one)
 # rubocop:disable Migration/Datetime
+# rubocop:disable Migration/RemoveColumn
 class RemoveLastLdapSyncStatusFromGroups < ActiveRecord::Migration
   DOWNTIME = false
 

db/migrate/20170118194941_convert_application_settings_repository_size_limit_to_bytes.rb

+# rubocop:disable Migration/RemoveColumn
 # rubocop:disable Migration/UpdateColumnInBatches
 class ConvertApplicationSettingsRepositorySizeLimitToBytes < ActiveRecord::Migration
   include Gitlab::Database::MigrationHelpers

db/migrate/20170118200338_convert_projects_repository_size_limit_to_bytes.rb

 # rubocop:disable Migration/UpdateColumnInBatches
 # rubocop:disable Migration/UpdateLargeTable
+# rubocop:disable Migration/RemoveColumn
 class ConvertProjectsRepositorySizeLimitToBytes < ActiveRecord::Migration
   include Gitlab::Database::MigrationHelpers
 

db/migrate/20170118200412_convert_namespaces_repository_size_limit_to_bytes.rb

+# rubocop:disable Migration/RemoveColumn
 # rubocop:disable Migration/UpdateColumnInBatches
 # rubocop:disable Migration/UpdateLargeTable
 class ConvertNamespacesRepositorySizeLimitToBytes < ActiveRecord::Migration

db/migrate/20170215151541_remove_old_elasticsearch_settings.rb

+# rubocop:disable Migration/RemoveColumn
 class RemoveOldElasticsearchSettings < ActiveRecord::Migration
   include Gitlab::Database::MigrationHelpers
 

db/migrate/20170420200123_remove_service_desk_mail_key_from_projects.rb

+# rubocop:disable Migration/RemoveColumn
 class RemoveServiceDeskMailKeyFromProjects < ActiveRecord::Migration
   DOWNTIME = false
 

db/migrate/20170811203342_fix_email_opted_in_at_on_users.rb

+# rubocop:disable Migration/RemoveColumn
 # See http://doc.gitlab.com/ce/development/migration_style_guide.html
 # for more information on how to write migrations for GitLab.
 

db/migrate/20170818174141_drop_unnecessary_timestamp_columns_in_geo_event_tables.rb

+# rubocop:disable Migration/RemoveColumn
 class DropUnnecessaryTimestampColumnsInGeoEventTables < ActiveRecord::Migration
   include Gitlab::Database::MigrationHelpers