msm: kgsl: Remove the skip counting code from the trustzone policy

No need to turn the algorithm off now that there is explict binning.
It's not a performance win and it confuses whether DCVS is opperational.

Change-Id: Ifa1646e8dde0a792c3d22d5e1cf9e139b0363f08
Signed-off-by: Lucille Sylvester <lsylvest@codeaurora.org>