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

This reverts commit 058c5f4e4399b9c0e95e4e03473f94105b04fbe5.
Revert "msm: mdss: Fix DSI event handler for dynamic FPS configuration"

This reverts commit fc7cf8a5f2a10cc93aa9b0552c7c4429cffbb304.
Revert "mdss: display: Add support for dynamic FPS"

This reverts commit 1053e627c2092919c6258e50282c6c12579f7569.