Delegate a method to current_settings

https://gitlab.com/gitlab-org/gitlab/-/issues/333759

app/models/integrations/prometheus.rb

@@ -134,6 +134,8 @@ module Integrations
 
     private
 
+    delegate :allow_local_requests_from_web_hooks_and_services?, to: :current_settings, private: true
+
     def self_monitoring_project?
       project && project.id == current_settings.self_monitoring_project_id
     end
@@ -142,10 +144,6 @@ module Integrations
       api_url.present? && api_url == ::Gitlab::Prometheus::Internal.uri
     end
 
-    def allow_local_requests_from_web_hooks_and_services?
-      current_settings.allow_local_requests_from_web_hooks_and_services?
-    end
-
     def should_return_client?
       api_url.present? && manual_configuration? && active? && valid?
     end