Remove empty sidekiq queue

- The "status" queue has since been replaced with the more generic
  "cache" queue

Author: TheOneFromNorway

config/sidekiq.yml

@@ -5,7 +5,6 @@
   - imports
   - consents
   - notifications
-  - statuses #TODO: Remove once queue is empty
   - patients
   - triages
   - pds