drivers/net: Remove alloc_etherdev error messages

alloc_etherdev has a generic OOM/unable to alloc message.
Remove the duplicative messages after alloc_etherdev calls.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/sis/sis190.c

@@ -1462,8 +1462,6 @@ static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev)
 
 	dev = alloc_etherdev(sizeof(*tp));
 	if (!dev) {
-		if (netif_msg_drv(&debug))
-			pr_err("unable to alloc new ethernet\n");
 		rc = -ENOMEM;
 		goto err_out_0;
 	}