jflte: clean up overlays

lots of settings here are set to default values

Change-Id: Ie0a27c96c5f473d5006499d9e6b45cf0358eea41

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml

Change-Id: Ibf500331eff64c3d84c4372d791bff9620ac0fa2