drm/msm: Omit SDE event log and most debugfs code

The SDE event log is not necessary and hogs a substantial amount of CPU
time on logging events in the frame commit path. Omit the code
altogether along with some other debugfs-related code to fix the waste
of CPU.

Signed-off-by: Danny Lin <danny@kdrag0n.dev>
Signed-off-by: engstk <eng.stk@sapo.pt>
Signed-off-by: mcdachpappe <noreference@web.de>