mlx5_core: Remove dead code

Remove leftover of debug code.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c

@@ -192,10 +192,8 @@ static int alloc_4k(struct mlx5_core_dev *dev, u64 *addr)
 	struct fw_page *fp;
 	unsigned n;
 
-	if (list_empty(&dev->priv.free_list)) {
+	if (list_empty(&dev->priv.free_list))
 		return -ENOMEM;
-		mlx5_core_warn(dev, "\n");
-	}
 
 	fp = list_entry(dev->priv.free_list.next, struct fw_page, list);
 	n = find_first_bit(&fp->bitmask, 8 * sizeof(fp->bitmask));