remove unused ioremap-related code and export

[Christoph Hellwig]

Hi Russell,

this series removes one unused function and one unused export
from the ARM ioremap code.

Subject:
 include/asm/mach/map.h |    7 -------
 mm/ioremap.c           |    8 --------
 mm/mmu.c               |    1 -
 3 files changed, 16 deletions(-)