net: hns: remove redundant return int void function

Void function return statements are not generally useful,
so remove the redundant return.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c

@@ -462,8 +462,6 @@ static void hns_ae_adjust_link(struct hnae_handle *handle, int speed,
 	default:
 		break;
 	}
-
-	return;
 }
 
 static void hns_ae_get_ring_bdnum_limit(struct hnae_queue *queue,