Remove php composer feature flags

ee/changelogs/unreleased/214731-remove-composer-feature-flag.yml

+---
+title: Add PHP Composer Package Support
+merge_request: 34339
+author: Jochen Roth @ochorocho, Giorgenes Gelatti
+type: added

ee/lib/api/composer_packages.rb

@@ -54,10 +54,6 @@ module API
 
     resource :group, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       before do
-        unless ::Feature.enabled?(:composer_packages, user_group)
-          not_found!
-        end
-
         authorize_packages_feature!(user_group)
       end
 
@@ -102,10 +98,6 @@ module API
 
     resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       before do
-        unless ::Feature.enabled?(:composer_packages, unauthorized_user_project!)
-          not_found!
-        end
-
         authorize_packages_feature!(unauthorized_user_project!)
       end