Revert "Implementation of Koush superuser (2/3)"

This reverts commit 688100ec71cca27a1d7b7cb64bc7300db907a138.

Conflicts:

	Android.mk
	AndroidManifest.xml
	res/values/slim_arrays.xml
	res/values/slim_strings.xml
	src/com/android/settings/DevelopmentSettings.java