check-rabbitmq-consumers: Go back to hardcoding for now.

This should fix the production test suite in Travis CI, so that we can
debug what's broken here offline.

scripts/nagios/check-rabbitmq-consumers

@@ -37,12 +37,26 @@ consumers = defaultdict(int) # type: Dict[str, int]
 
 sys.path.append(os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__)))))
 from scripts.lib.zulip_tools import su_to_zulip
-queues = subprocess.check_output([os.path.abspath('./scripts/lib/queue_workers.py'),
-                                  '--queue-type=consumer'],
-                                 universal_newlines=True,
-                                 preexec_fn=su_to_zulip)
+queues = {
+    'digest_emails',
+    'email_mirror',
+    'embed_links',
+    'error_reports',
+    'feedback_messages',
+    'invites',
+    'message_sender',
+    'missedmessage_emails',
+    'missedmessage_mobile_notifications',
+    'notify_tornado',
+    'signups',
+    'slow_queries',
+    'tornado_return',
+    'user_activity'
+    'user_activity_interval',
+    'user_presence',
+}
 
-for queue_name in queues.split("\n"):
+for queue_name in queues:
     queue_name = queue_name.strip()
     consumers[queue_name] = 0