Revert "Settings: Notification Drawer Brightness Slider - (2/2)"

This reverts commit 6906a4c8c7ebc7549dc978332c4a4d44e02a5dd2.

Conflicts:
	res/values/cm_arrays.xml
	src/com/android/settings/cyanogenmod/NotificationDrawer.java

Change-Id: I21809ca04ce8e401db686ba44a3df090619c0338