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>
diff --git a/drivers/net/ethernet/adi/bfin_mac.c b/drivers/net/ethernet/adi/bfin_mac.c
index d812a10..525a976 100644
--- a/drivers/net/ethernet/adi/bfin_mac.c
+++ b/drivers/net/ethernet/adi/bfin_mac.c
@@ -1467,10 +1467,8 @@
 	int rc;
 
 	ndev = alloc_etherdev(sizeof(struct bfin_mac_local));
-	if (!ndev) {
-		dev_err(&pdev->dev, "Cannot allocate net device!\n");
+	if (!ndev)
 		return -ENOMEM;
-	}
 
 	SET_NETDEV_DEV(ndev, &pdev->dev);
 	platform_set_drvdata(pdev, ndev);