Revert "msm_fb: fixup MDP 3.00 vsync events"

This reverts commit 548bfc7258f3c0e515b3ce2d9d744e59fa08281f

Change-Id: I4a7ec7b30c8518a31522257a9aac08772e4fe8b6
Revert "msm_fb: vsync events for legacy MDP 3.00 targets"

This reverts commit 726fb0b01ec59ef926c7a98475247f21cf9fa910

Change-Id: I7a35e265f3644e537200d703b57e69ba3d7b6665
Merge "Revert "msm_fb: vsync events for legacy MDP 3.00 targets"" into cm-10.1