Merge pull request #4794 from tgxworld/nuke_old_auto_close_jobs

FIX: Add onceoff job to remove old auto close topic sidekiq jobs.

app/jobs/onceoff/remove_old_auto_close_jobs.rb

@@ -0,0 +1,10 @@
+module Jobs
+  class RemoveOldAutoCloseJobs < Jobs::Onceoff
+    def execute_onceoff(args)
+      Jobs.cancel_scheduled_for(:close_topic)
+
+      # No need to enqueue new jobs since we have a scheduled job that will
+      # automatically enqueue the new jobs.
+    end
+  end
+end