msm: kgsl: Do not modify UCHE_CMDQ_CONFIG register for A660

Commit e9a3b1cd ("msm: kgsl: Setup UCHE_CMDQ_CONFIG register for A660")
is incorrectly setting a debug configuration. Remove it.

Change-Id: I7628a9bb4d7711e907687a3c8bda766802298d1d
Signed-off-by: Raghu Ananya Arabolu <rarabolu@codeaurora.org>