mm-camera: Changes to remove unused code for security issue reported

Changes to remove MSM_CAM_IOCTL_SET_MEM_MAP_INFO Ioctl support.
This will avoid physical memory mapping to userspace.

Change-Id: If014e6d152786b508c8e7ee6c53631913cd4cfcf
Signed-off-by: Guruprasad Gaonkar <ggaonk@codeaurora.org>
Merge of Sony release 12.0.A.1.284

Change-Id: Ib2d2ab26f1322b594727b071e12f4a5dfda634d3