lightnvm: pblk: remove unnecessary argument

Remove unnecessary argument on pblk_line_free()

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index fe501e6..1e17718 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -509,7 +509,7 @@ static void pblk_lines_free(struct pblk *pblk)
 	for (i = 0; i < l_mg->nr_lines; i++) {
 		line = &pblk->lines[i];
 
-		pblk_line_free(pblk, line);
+		pblk_line_free(line);
 		pblk_line_meta_free(line);
 	}
 	spin_unlock(&l_mg->free_lock);