Fix the worker

When the variable is specified, I cannot connect to the worker. Requests go unanswered, and I have been manually specifying the database name. However, when I remove the `-Q` option that tells Celery which queue to listen to, I no longer encounter this problem.

docker-compose.yml

@@ -67,7 +67,7 @@ services:
     build:
       context: ./.
       target: run-development
-    command: bash -c "ve/bin/celery -A specifyweb worker -l INFO --concurrency=1 -Q $DATABASE_NAME"
+    command: bash -c "ve/bin/celery -A specifyweb worker -l INFO --concurrency=1"
     init: true
     volumes:
       - "./config:/opt/Specify/config:ro"