Revert "msm: kgsl: Add max and min power level controls in sysfs"

This reverts commit 8f5e49254ca8f566d10c2838ab2ca97d09bbecfd.
Revert "msm: kgsl: Remove extra interrupts when setting MMU state"

This reverts commit 6d87d331374d9c3b19c8b74a2b549bbea365943d.
Revert "msm: kgsl: Set sysfs max clock for devices with no power scale policy"

This reverts commit 0e85217786b191e01a4234ab2a2edb6982e3af87.
Revert "msm: kgsl: Add new sysfs node to list GPU clock frequencies"

This reverts commit cc3a2deec9ffb2fe08273d3e821e6922bedf7e8e.