Merge branch '35295-follow-up-from-remove-pendo-from-ee' into 'master'

Resolve "Follow-up from "Remove Pendo from EE""

Closes #35295

See merge request gitlab-org/gitlab!21324

app/models/application_setting.rb

@@ -5,9 +5,6 @@ class ApplicationSetting < ApplicationRecord
   include CacheMarkdownField
   include TokenAuthenticatable
   include ChronicDurationAttribute
-  include IgnorableColumns
-
-  ignore_columns :pendo_enabled, :pendo_url, remove_after: '2019-12-01', remove_with: '12.6'
 
   add_authentication_token_field :runners_registration_token, encrypted: -> { Feature.enabled?(:application_settings_tokens_optional_encryption, default_enabled: true) ? :optional : :required }
   add_authentication_token_field :health_check_access_token