Revert "msm: mdss: ensure retire fences are signaled during panel off"

This reverts commit 4d0b6952c96c6fd2e30b6b6a001f345a6f021eb3.

Change-Id: Ib406a038eac4be13ab100a054e20faf16d28d99e
Merge "Revert "msm: mdss: ensure retire fences are signaled during panel off"" into kitkat