Revert "msm: mdss: Fix DSI event handler for dynamic FPS configuration"

This reverts commit 59ed8072cfcac90153e36a80a179062908dac5c1.

Revert "mdss: display: Add support for dynamic FPS"

This reverts commit d5ab773b20596697b6e96d48c0b1a6ab1b19042e.

Revert "msm: mdss: delay freeing buffers for additional vsync"

This reverts commit 04df881b95d39d4c45f6033aba101c86c86474c7.

Change-Id: I1c7f8cc458c5e1fce9cd639daaf8c0dd5e192f1a