Revert "Menu UI Overflow Toggle (1/2)"

This reverts commit 811d36dbc134867b3e35d3563e846d407939f820.

Already had this feature under Hardware key settings. Get rid of duplicate.

Conflicts:
	res/values/strings.xml
	res/xml/carbon_settings.xml
	res/xml/interface_settings.xml
	src/com/android/settings/carbon/InterfaceSettings.java