Revert "settings: add back notification shortcuts + slim classes we need"

This reverts commit a3d543757b7d66b0e35142e563a96b2383b2922b.
Revert "Custom Navring Targets (2/2)"

This reverts commit 9b8dd7a720400ad48efd350c69b8729535d8dc04.

Conflicts:
	AndroidManifest.xml
	res/values/dimens.xml
	res/values/pa_dimens.xml
	res/values/pa_strings.xml
	res/xml/navigation_bar_settings.xml
	res/xml/settings_headers.xml
	src/com/android/settings/cyanogenmod/NavRing.java
	src/com/android/settings/cyanogenmod/ShortcutPickHelper.java