iommu/shmobile: Remove unused include/linux/platform_data/sh_ipmmu.h header

include/linux/platform_data/sh_ipmmu.h is unused since commit

	ae50dc4 ("iommu/shmobile: Remove unused Renesas IPMMU/IPMMUI")

Let's remove it.

Signed-off-by: Corentin Labbe <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: Joerg Roedel <[email protected]>

Author: montjoie