fix undefined ctx

Author: msupinodn

topo/node/drivenets/drivenets.go

@@ -457,6 +457,7 @@ func (n *Node) cdnosDelete(ctx context.Context) error {
 // - ownerReference is Cdnos/<node>
 func (n *Node) servicesForNode(ctx context.Context) ([]corev1.Service, error) {
 	// Use a short-lived background context for API calls to avoid parent ctx deadline cancellations.
+	_ = ctx // ctx is intentionally unused to avoid parent deadline cancellations
 	listCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()
 	list, err := n.KubeClient.CoreV1().Services(n.Namespace).List(listCtx, metav1.ListOptions{})