virtio_net: remove the misleading comment

We call the build_skb() actually without copying data.
The comment is misleading. So remove it.

Signed-off-by: Xuan Zhuo <[email protected]>
Acked-by: Jason Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: fengidri

drivers/net/virtio_net.c

@@ -743,7 +743,6 @@ static struct sk_buff *page_to_skb(struct virtnet_info *vi,
 
 	shinfo_size = SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
 
-	/* copy small packet so we can reuse these pages */
 	if (!NET_IP_ALIGN && len > GOOD_COPY_LEN && tailroom >= shinfo_size) {
 		skb = virtnet_build_skb(buf, truesize, p - buf, len);
 		if (unlikely(!skb))