Revert "Bringing basic Pie controls to CyanogenMod. (2/2)"

This reverts commit e5bba18990fb2cbb4e777e6bd81a97254d909462.

Conflicts:
	res/values/strings.xml
	res/xml/pie_control.xml
	res/xml/system_settings.xml
	src/com/android/settings/cyanogenmod/PieControl.java
	src/com/android/settings/cyanogenmod/SystemSettings.java