mtd: onenand: remove redundant variable ooblen

Variable ooblen is being initialized with a value that is never read.
The variable is never used after this, so it is redundant and can be
removed.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211205230729.79337-1-colin.i.king@gmail.com

drivers/mtd/nand/onenand/onenand_bbt.c

@@ -60,7 +60,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
 	int i, j, numblocks, len, scanlen;
 	int startblock;
 	loff_t from;
-	size_t readlen, ooblen;
+	size_t readlen;
 	struct mtd_oob_ops ops;
 	int rgn;
 
@@ -69,7 +69,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
 	len = 2;
 
 	/* We need only read few bytes from the OOB area */
-	scanlen = ooblen = 0;
+	scanlen = 0;
 	readlen = bd->len;
 
 	/* chip == -1 case only */