fix: Revert celery file to main

Author: yammesicka

lms/lmstests/sandbox/config/celery.py

@@ -6,7 +6,7 @@
 CELERY_RABBITMQ_DEFAULT_USER = os.getenv('CELERY_RABBITMQ_DEFAULT_USER')
 CELERY_RABBITMQ_DEFAULT_PASS = os.getenv('CELERY_RABBITMQ_DEFAULT_PASS')
 CELERY_CHECKS_SANDBOX_VHOST = os.getenv('CELERY_CHECKS_SANDBOX_VHOST')
-CELERY_RABBITMQ_HOST = os.getenv('CELERY_RABBITMQ_HOST', 'localhost')
+CELERY_RABBITMQ_HOST = os.getenv('CELERY_RABBITMQ_HOST')
 CELERY_RABBITMQ_PORT = os.getenv('CELERY_RABBITMQ_PORT', 222)
 
 broker_url = (f'amqp://{CELERY_RABBITMQ_DEFAULT_USER}:'