igb: clean up a stray fake netdev code left in rx path

Remove code that was in place to support fake netdev
Signed-off-by: NAlexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/net/igb/igb_main.c

@@ -3563,10 +3563,6 @@ static int igb_clean_rx_ring_msix(struct napi_struct *napi, int budget)
 	struct net_device *netdev = adapter->netdev;
 	int work_done = 0;
 
-	/* Keep link state information with original netdev */
-	if (!netif_carrier_ok(netdev))
-		goto quit_polling;
-
 #ifdef CONFIG_DCA
 	if (adapter->flags & IGB_FLAG_DCA_ENABLED)
 		igb_update_rx_dca(rx_ring);
@@ -3576,7 +3572,6 @@ static int igb_clean_rx_ring_msix(struct napi_struct *napi, int budget)
 
 	/* If not enough Rx work done, exit the polling mode */
 	if ((work_done == 0) || !netif_running(netdev)) {
-quit_polling:
 		netif_rx_complete(netdev, napi);
 
 		if (adapter->itr_setting & 3) {