mtd: onenand: omap2: drop unused module alias

The driver only supports OF probing since commit a758f50 ("mtd:
onenand: omap2: Configure driver from DT") so drop the unused platform
module alias.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

Author: jhovold

drivers/mtd/nand/onenand/onenand_omap2.c

@@ -603,7 +603,6 @@ static struct platform_driver omap2_onenand_driver = {
 
 module_platform_driver(omap2_onenand_driver);
 
-MODULE_ALIAS("platform:" DRIVER_NAME);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Jarkko Lavinen <jarkko.lavinen@nokia.com>");
 MODULE_DESCRIPTION("Glue layer for OneNAND flash on OMAP2 / OMAP3");