staging: octeon: Remove multiple blank lines

Avoid the use of multiple blank lines. Checkpatch detected these issues.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/octeon/ethernet-tx.c

@@ -99,8 +99,6 @@ static void cvm_oct_free_tx_skbs(struct net_device *dev)
 						       MAX_SKB_TO_FREE);
 		skb_to_free = cvm_oct_adjust_skb_to_free(skb_to_free,
 							 priv->fau + qos * 4);
-
-
 		total_freed += skb_to_free;
 		if (skb_to_free > 0) {
 			struct sk_buff *to_free_list = NULL;