Revert "HeadsUp: Add heads up quicksettings tile. (1/2)"

This reverts commit 82ef81656d25e13d7377e0b7ad716b7237b50433.

Conflicts:

	core/java/com/android/internal/util/slim/QSConstants.java
	packages/SystemUI/res/values/jisoo_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java