Revert "Settings: Navigation bar Quick launch shortcuts (1 of 2)"

This reverts commit c7177f87e1e007ac722e9a7143781560fddd7608.

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