chore: enable gossip for flower and to squelch errors (#19823)

bin/docker-worker-celery

@@ -12,14 +12,13 @@ help () {
   echo "  --concurrency=<N>     start N workers (overrides env var WEB_CONCURRENCY)"
   echo
   echo "Advanced Celery options (disabled by default):"
-  echo "  --with-gossip         start Celery gossip (useful for Prometheus)"
   echo "  --with-heartbeat      start Celery internal heartbeat (normally not useful)"
   echo "  --with-mingle         start Celery mingle (normally not useful)"
   exit 0
 }
 
 with_scheduler=false
-with_gossip=false
+with_gossip=true
 with_heartbeat=false
 with_mingle=false
 
@@ -37,10 +36,6 @@ while test $# -gt 0; do
       with_scheduler=true
       shift
       ;;
-    --with-gossip)
-      with_gossip=true
-      shift
-      ;;
     --with-heartbeat)
       with_heartbeat=true
       shift