Merge branch 'reduce-service-params-diff-with-ce' into 'master'

Use the EE version of ServiceParams

See merge request gitlab-org/gitlab-ce!23881

app/controllers/concerns/service_params.rb

@@ -70,7 +70,7 @@ module ServiceParams
 
   def service_params
     dynamic_params = @service.event_channel_names + @service.event_names # rubocop:disable Gitlab/ModuleWithInstanceVariables
-    service_params = params.permit(:id, service: ALLOWED_PARAMS_CE + dynamic_params)
+    service_params = params.permit(:id, service: allowed_service_params + dynamic_params)
 
     if service_params[:service].is_a?(Hash)
       FILTER_BLANK_PARAMS.each do |param|
@@ -80,4 +80,8 @@ module ServiceParams
 
     service_params
   end
+
+  def allowed_service_params
+    ALLOWED_PARAMS_CE
+  end
 end