x86-32, mm: Remove reference to resume_map_numa_kva()

Remove reference to removed function resume_map_numa_kva().

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20130131005616.1C79F411@kernel.stglabs.ibm.com