Revert "msm: kgsl: Bump up the GPU frequency for long batch processing"

This reverts commit 88fc0b34646ff2a5d06fe9d48b83e30c7615c0a8.

Change-Id: I50fc6712635fd3ed214445e8dd7a9f665d46de70
Merge remote-tracking branch 'upstream/jb4.3' into jb4.3