Revert "ROMControl: Allow Custom Icon Tinting Option (2/2)"

This reverts commit I19dd1b19a066befb0746f3c1167dddf16fd145da

Change-Id: Iea0aecf42a6ae8076201ad9f261743ab01306710

Conflicts:
	res/xml/prefs_navbar.xml
	src/com/aokp/romcontrol/fragments/Navbar.java