remove unused router_map pre-fetch in massive_redeploy_base_config_task

gso/tasks/massive_redeploy_base_config.py

@@ -105,13 +105,6 @@ def massive_redeploy_base_config_task(
     callback_route: str,
 ) -> None:
     """Kicks off one Celery subtask per router, then runs the final callback."""
-    # 1. De dupe and fetch FQDNs (so subtasks don't hit the DB twice)
     unique_ids = list(dict.fromkeys(selected_routers))
-    router_map = {}
-    for rid in unique_ids:
-        sub = Router.from_subscription(rid)
-        router_map[rid] = sub.router.router_fqdn
-
-    # 2. Build a chord: all process_one_router subtasks → finalize_massive_redeploy
     header = [process_one_router.s(rid, tt_number) for rid in unique_ids]  # type: ignore[attr-defined]
     chord(header)(finalize_massive_redeploy.s(callback_route, unique_ids))  # type: ignore[attr-defined]