mtd: omap2: Cleanup header files

Commit 2203747c ("ARM: omap: move platform_data definitions")
moved the files to the current location but forgot to remove the pointer
to its previous location. Clean it up.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

include/linux/platform_data/mtd-nand-omap2.h

 /*
- * arch/arm/plat-omap/include/mach/nand.h
- *
  * Copyright (C) 2006 Micron Technology Inc.
  *
  * This program is free software; you can redistribute it and/or modify

include/linux/platform_data/mtd-onenand-omap2.h

 /*
- * arch/arm/plat-omap/include/mach/onenand.h
- *
  * Copyright (C) 2006 Nokia Corporation
  * Author: Juha Yrjola
  *