Revert "Grey Halo Handle"

This reverts commit 16689288abd2f1db98d0df48a94902da68cc0194.
Revert "(1/2) All in one Halo integration, fixes and master switch for Slim 4.4"

This reverts commit 0557bb76cf40c309720d085e8f6307d4ba831873.

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/values/cr_dimens.xml
	services/java/com/android/server/NotificationManagerService.java