Merge branch '201855-drop-integrations-from-eager-load-paths' into 'master'

Drop app/models/integrations from eager load paths

See merge request gitlab-org/gitlab!63743

app/services/jira.rb

-# frozen_string_literal: true
-
-module Jira
-end

config/application.rb

@@ -47,7 +47,6 @@ module Gitlab
     config.eager_load_paths.push(*%W[#{config.root}/lib
                                      #{config.root}/app/models/badges
                                      #{config.root}/app/models/hooks
-                                     #{config.root}/app/models/integrations
                                      #{config.root}/app/models/members
                                      #{config.root}/app/models/project_services
                                      #{config.root}/app/graphql/resolvers/concerns