Clean dead double tap to sleep code
Status bar brightness cleanup
Credits to SimpleAOSP-Lollipop
https://github.com/SimpleAOSP-Lollipop/platform_packages_apps_Settings/blob/ea95585bc65e3c0ed1b94bbbb341e996fe191c1e/src/com/android/settings/simpleaosp/StatusBarSettings.java
Status bar brightness cleanup, pt. 2
Change native battery percent to battery percent
Credits to SimpleAOSP-Lollipop
https://github.com/SimpleAOSP-Lollipop/platform_packages_apps_Settings/commit/7d45ca698012d1fab7debca3436959f431851adb