chore: deployment move to docker only

deploy/docker/supervisord.conf

@@ -1,10 +1,8 @@
 ; Runs inside the single app container as the non-root "app" user (see
 ; Dockerfile's USER app - no [supervisord] user= needed, we never start as
-; root here). Unlike deploy/supervisor/polylan-submitter.conf (multiple
-; daphne processes behind HAProxy on one bare-metal host), this container
-; runs ONE daphne process on TCP: scale by running more container replicas
-; behind an external reverse proxy/load balancer instead of more processes
-; per container.
+; root here). This container runs ONE daphne process on TCP: scale by
+; running more container replicas behind an external reverse proxy/load
+; balancer instead of more processes per container.
 ;
 ; Program logs go to stdout/stderr (logfile_maxbytes=0 disables supervisor's
 ; own log rotation for them) so `docker logs` / Proxmox's log viewer picks
@@ -29,7 +27,6 @@ stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr
 stderr_logfile_maxbytes=0
 
-; RQ workers - same command as deploy/supervisor/polylan-submitter.conf.
 [program:worker]
 command=/app/.venv/bin/python manage.py rqworker default --job-class django_tasks_rq.Job --with-scheduler
 directory=/app/polylan_submitter