Revert "Enable the Simple GPU Governor by default"

This reverts commit 707507839e84080a2c854c99699f605466958c63.
Revert "Enable Simple GPU GOV"

This reverts commit 5f90e6f784e1b4ccc0cdd18911dec2f1a6df662c.
Revert "KGSL: make simple govenor a selectable option, co-exist with ondemand"

This reverts commit 7f138b6904ec27c9282a8a4073b2511dc462575e.
fix build error1