Revert "Adjust min and max voltage limits"

This reverts commit b43524be88c9b223808ee5cfeebec1ea70e7e9b4.
Revert "msm: clock-krait-8974: User voltage control for msm-cpufreq device"

This reverts commit c085d24b43b9609043d1e8bb4ec6d14c7af032ef.