Do not require declarative_policy

app/models/ability.rb

 # frozen_string_literal: true
 
-require_dependency 'declarative_policy'
-
 class Ability
   class << self
     # Given a list of users and a project this method returns the users that can

app/policies/base_policy.rb

 # frozen_string_literal: true
 
-require_dependency 'declarative_policy'
-
 class BasePolicy < DeclarativePolicy::Base
   desc "User is an instance admin"
   with_options scope: :user, score: 0

ee/lib/api/project_mirror.rb

 # frozen_string_literal: true
 
-require_dependency 'declarative_policy'
-
 module API
   class ProjectMirror < ::API::Base
     feature_category :continuous_integration

lib/api/projects.rb

 # frozen_string_literal: true
 
-require_dependency 'declarative_policy'
-
 module API
   class Projects < ::API::Base
     include PaginationParams