mtd: spinand: Remove outdated comment

This comment is no longer true so drop it.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201001102014.20100-7-miquel.raynal@bootlin.com

drivers/mtd/nand/spi/core.c

@@ -1152,10 +1152,6 @@ static int spinand_init(struct spinand_device *spinand)
 	if (ret)
 		goto err_cleanup_nanddev;
 
-	/*
-	 * Right now, we don't support ECC, so let the whole oob
-	 * area available for the user.
-	 */
 	mtd->_read_oob = spinand_mtd_read;
 	mtd->_write_oob = spinand_mtd_write;
 	mtd->_block_isbad = spinand_mtd_block_isbad;