jflte: Cleanup settings overlay

 * Power control widget is default, so no need to set it here
 * Home wake should be in config.xml, not bools.xml

Change-Id: I21c37c3fef7751ac2588a6542271ddcfd848310a
Merge remote-tracking branch 'upstream/cm-11.0' into berserk
Merge branch 'berserk' of github.com:berserkaosp/android_device_samsung_jflte into berserk