mtd: onenand: samsung: drop owner assignment

Owner is automatically set by mtdcore. Make use of that.

Signed-off-by: Frans Klaver <[e-mail]>
Signed-off-by: Brian Norris <[e-mail]>

drivers/mtd/onenand/samsung.c

···
 	this = (struct onenand_chip *) &mtd[1];
 	mtd->priv = this;
 	mtd->dev.parent = &pdev->dev;
-	mtd->owner = THIS_MODULE;
 	onenand->pdev = pdev;
 	onenand->type = platform_get_device_id(pdev)->driver_data;