Revert "Voltage Control: add sysfs interface"

This reverts commit 071a9b3e2f31ca71f12e8681c81e3146687c4a8d.
msm: krait: add CPU Voltage control.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
acpuclock-krait: Fix Values for UBER

Signed-off-by: Chester Kener <Cl3Kener@gmail.com>