fix manual station deactivate staying active under reservations

Stop auto-activating reservation slots immediately after a manual station release. This ensures the 'Station deaktivieren' action actually leaves the station deactivated, while reservation ownership remains intact until the user deletes the reservation.

server/index.js

@@ -2875,12 +2875,7 @@ async function handleStationRelease(res, user) {
     };
     await writeJson(files.station, runtime.station);
     await appendAudit("station.deactivate", user, null);
-    const autoActivated = await autoActivateReservationSlotIfNeededUnlocked({
-      excludeUserId: user && user.id ? String(user.id) : ""
-    });
-    if (!autoActivated) {
     broadcastEvent("station.status.changed", buildStationStatusView());
-    }
     return sendJson(res, 200, { ok: true, status: buildStationStatusView() });
   });
 }