decrease default celery log level to ERROR (#13587)

Author: Gpetrak

celery-cmd

@@ -10,7 +10,7 @@ CELERY__AUTOSCALE_VALUES=${CELERY__AUTOSCALE_VALUES:-"15,10"}
 CELERY__MAX_TASKS_PER_CHILD=${CELERY__MAX_TASKS_PER_CHILD:-"10"}
 CELERY__OPTS=${CELERY__OPTS:-"--without-gossip --without-mingle -Ofair -B -E"}
 CELERY__BEAT_SCHEDULE=${CELERY__BEAT_SCHEDULE:-"celery.beat:PersistentScheduler"}
-CELERY__LOG_LEVEL=${CELERY__LOG_LEVEL:-"INFO"}
+CELERY__LOG_LEVEL=${CELERY__LOG_LEVEL:-"ERROR"}
 CELERY__LOG_FILE=${CELERY__LOG_FILE:-"/var/log/celery.log"}
 CELERY__WORKER_NAME=${CELERY__WORKER_NAME:-"worker1@%h"}
 CELERY__WORKER_CONCURRENCY=${CELERY__WORKER_CONCURRENCY:-"4"}