Revert "msm: kgsl: Add per context timestamp"

This reverts commit 2a811252c73a9beae002c95cdeef974f8be0579f.

Change-Id: Ic3018f19eb1a089ae67e0f3c253cc00e7d0285e3
Signed-off-by: Wei Zou <wzou@codeaurora.org>
16 files changed