Revert "Settings: Volume Steps [2/2]"

This reverts commit 07fba4641b588a6b37448fe44c1a4dabae19826d.

Conflicts:
	res/values/aogp_arrays.xml
	res/values/aogp_strings.xml

Change-Id: I632234c2c8b72ab189a85cd6936cbbe8f53db90e