drm/msm/sde: remove unused traffic shaper from hw drivers

Traffic shaper is not used by writeback; hence remove traffic
shaper from writeback and top hardware drivers.

Change-Id: I006f72877a5a546fb67e80d1344da95d82711fa8
Signed-off-by: Alan Kwong <akwong@codeaurora.org>
2 files changed