NAND: Remove commented out code

Patch removes already commented out dead code
Signed-off-by: NSandeep Paulraj <s-paulraj@ti.com>

drivers/mtd/nand/nand_base.c

@@ -2767,7 +2767,6 @@ int nand_scan_tail(struct mtd_info *mtd)
 		default:
 			printk(KERN_WARNING "No oob scheme defined for "
 			       "oobsize %d\n", mtd->oobsize);
-/*			BUG(); */
 		}
 	}