Remove needs_own_queue tag from ProjectImportScheduleWorker

ee/app/workers/all_queues.yml

@@ -1217,8 +1217,7 @@
   :resource_boundary: :unknown
   :weight: 1
   :idempotent: true
-  :tags:
-  - :needs_own_queue
+  :tags: []
 - :name: project_template_export
   :worker_name: ProjectTemplateExportWorker
   :feature_category: :importers

ee/app/workers/project_import_schedule_worker.rb

@@ -16,10 +16,6 @@ class ProjectImportScheduleWorker
   loggable_arguments 1 # For the job waiter key
   log_bulk_perform_async!
 
-  # UpdateAllMirrorsWorker depends on the queue size of this worker:
-  # https://gitlab.com/gitlab-org/gitlab/-/issues/340630
-  tags :needs_own_queue
-
   def perform(project_id)
     ::Gitlab::Mirror.untrack_scheduling(project_id)