Revert "msm_fb: display: perform backlight updates on overlay play"

This reverts commit da2f3cc0003c55cd18d6f052ecb9530fe2acea9a.

Conflicts:

	drivers/video/msm/msm_fb.c
Revert "msm_fb: display: Add backlight with first pan display after resume"

This reverts commit 6a75b86e9f0707f46f0fd161481da25235bd037c.

Conflicts:

	drivers/video/msm/msm_fb.c
Revert "msm:vidc: Amend error checks on ION API failures"

This reverts commit 4a798e36dd1e5095e828d5c9e235192519852456.

Conflicts:

	drivers/video/msm/vidc/720p/ddl/vcd_ddl_utils.c
	drivers/video/msm/vidc/common/vcd/vcd_sub.c