Revert "QS: add theme switcher tile (TRDS) 1/2"

This reverts commit 19536edbe55a79211883c881a0a314dc3f795894.

Conflicts:
	packages/SystemUI/src/com/android/systemui/quicksettings/ThemeTile.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java