Revert "App sidebar [2/2]"

This reverts commit b4e0eb4e1b07485c45bee54a898a24bcb5123d32.

Conflicts:
	res/values/attrs.xml
	res/values/cm_arrays.xml
	res/values/cm_strings.xml
	res/xml/app_sidebar_settings.xml
	res/xml/system_ui_settings.xml
	src/com/android/settings/cyanogenmod/SeekBarPreference.java

Change-Id: I7c458f8b4d5de4a7ab60248443d3734b13629ee0