Switch to a unified worker system

- Handles logging
- Handles reporting to Sentry
- Removes old code around serving a web endpoint (unused now)

workers/notificationworker.py

@@ -1,19 +1,16 @@
 import logging
 
 from app import notification_queue
-from workers.worker import Worker
 
 from endpoints.notificationmethod import NotificationMethod, InvalidNotificationMethodException
 from endpoints.notificationevent import NotificationEvent, InvalidNotificationEventException
-from workers.worker import JobException
+from workers.queueworker import QueueWorker, JobException
 
 from data import model
 
-
 logger = logging.getLogger(__name__)
 
-
-class NotificationWorker(Worker):
+class NotificationWorker(QueueWorker):
   def process_queue_item(self, job_details):
     notification_uuid = job_details['notification_uuid']
 
@@ -39,8 +36,6 @@ class NotificationWorker(Worker):
 
 
 if __name__ == "__main__":
-  logging.config.fileConfig('conf/logging.conf', disable_existing_loggers=False)
-
   worker = NotificationWorker(notification_queue, poll_period_seconds=10, reservation_seconds=30,
                               retry_after_seconds=30)
   worker.start()