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/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index 8153a3e0..dc51d92 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -1121,10 +1121,9 @@
 
 	dev = alloc_etherdev(sizeof(*vp));
 	retval = -ENOMEM;
-	if (!dev) {
-		pr_err(PFX "unable to allocate etherdev, aborting\n");
+	if (!dev)
 		goto out;
-	}
+
 	SET_NETDEV_DEV(dev, gendev);
 	vp = netdev_priv(dev);