mtd: mtdpart: Drop useless LIST_HEAD

'tmp_list' is unused, so drop it.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/547248195d87d1240d6126d13eb1364b1a0b634d.1685853690.git.christophe.jaillet@wanadoo.fr

drivers/mtd/mtdpart.c

@@ -326,7 +326,6 @@ static int __mtd_del_partition(struct mtd_info *mtd)
 static int __del_mtd_partitions(struct mtd_info *mtd)
 {
 	struct mtd_info *child, *next;
-	LIST_HEAD(tmp_list);
 	int ret, err = 0;
 
 	list_for_each_entry_safe(child, next, &mtd->partitions, part.node) {