Revert "tuna_ak_defconfig: Set Default Governor KTOONSERVATIVE"

This reverts commit d6dfbea66f10cdf1d56753a4503ddeea691f778f.
Revert "tuna_ak_defconfig: Enable OPP4_UNDERVOLT"

This reverts commit 552b4a4fa4e7607db764ea455e505aac12c32467.
Kernel Version: AK.052
cpufreq: ktoonservative screen off race condition fix hand patched by tiny4579