Revert "msm_fb: display: add mdp version info for later mdp h/w"

This reverts commit 271c5b4568aedff388cffebdf35bccdd2e687ba6.
Revert "msm_fb: display: Flush MDP registers before staging up any pipe"

This reverts commit 4b89ac926cfaf9a5c47feaa78ce0249cdd916e86.
Revert "msm-fb: display: Reducing the display wake up time"

This reverts commit 12be4595e37c7a2dd9727ed2207748ec1e429ed2.