Revert "msm: kgsl: Add a flag to mark user mapped GPU buffers"

This reverts commit e4a5f26b2ff2ed5f1a34136f0c7b44a373f638c9.
Revert "msm: kgsl: Add missing power constraint trace"

This reverts commit 389c0a1d69264b44cd2aca79a74cfa8df7b7da78.
Revert "msm: kgsl: remove power constraint on context destroy"

This reverts commit 02685e01ffe4abaa8e77e4d8b37b334f12a3c043.
Revert "msm: kgsl: Clear the memstore while destroying the context"

This reverts commit 0dee85de4582300092ce9cf760e522afe32ebd58.