net: vhost: remove bad code line

Signed-off-by: Tonghao Zhang <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/vhost/net.c

···
 	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);