`cleanup` and `celery` queues piling up/not processing messages

# Description
From our k8s pods:

**Staging**
```
I have no name!@staging-lookit-rabbitmq-0:/$ rabbitmqctl list_queues
Timeout: 60.0 seconds ...
Listing queues for vhost / ...
name messages
cleanup 284
builds 1
celery 159
celery@worker.staging-worker-59584b7d94-s7vvz.celery.pidbox 0
email 0
celery@worker.staging-builder-0.celery.pidbox 0
```

**Production**
```
I have no name!@production-lookit-rabbitmq-0:/$ rabbitmqctl list_queues
Timeout: 60.0 seconds ...
Listing queues for vhost / ...
name messages
cleanup 47
builds 0
celery@worker.production-worker-7f865565c5-vjvhx.celery.pidbox 0
celery 166
email 0
celery@worker.production-builder-0.celery.pidbox 0
```

# Expected Behavior
These queues should be empty.