Move Geo backfill worker to into its own Sidekiq queue

app/workers/concerns/geo_backfill_queue.rb

+# Concern for setting Sidekiq settings for Geo backfill worker.
+module GeoBackfillQueue
+  extend ActiveSupport::Concern
+
+  included do
+    sidekiq_options queue: :geo_backfill, retry: false
+  end
+end

app/workers/geo_backfill_worker.rb

 class GeoBackfillWorker
   include Sidekiq::Worker
-  include CronjobQueue
+  include GeoBackfillQueue
 
   RUN_TIME = 5.minutes.to_i.freeze
   BATCH_SIZE = 100.freeze