Revert "msm: kgsl: Fix Z180 memory leak"

This reverts commit 981eedff4a30bff40aa2eadaa0bdedd422a16be8.

Change-Id: I74b0370932b5cccca63cc983ec34ab6c70b378e0
Merge "Revert "msm: kgsl: Fix Z180 memory leak"" into kk4.4