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/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 2320068..3c315f4 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -1308,10 +1308,8 @@
 
 	err = -ENOMEM;
 	dev = alloc_etherdev(sizeof(*bp));
-	if (!dev) {
-		dev_err(&pdev->dev, "etherdev alloc failed, aborting.\n");
+	if (!dev)
 		goto err_out;
-	}
 
 	SET_NETDEV_DEV(dev, &pdev->dev);