net: vhost: remove bad code line

Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/vhost/net.c

@@ -562,7 +562,6 @@ static int vhost_net_tx_get_vq_desc(struct vhost_net *net,
 	if (r == tvq->num && tvq->busyloop_timeout) {
 		/* Flush batched packets first */
 		if (!vhost_sock_zcopy(tvq->private_data))
-			// vhost_net_signal_used(tnvq);
 			vhost_tx_batch(net, tnvq, tvq->private_data, msghdr);
 
 		vhost_net_busy_poll(net, rvq, tvq, busyloop_intr, false);