HOVER: Disabling HOVER isn't necessary at all [1/2] …

as we can just hide the HOVER-Button in StatusBar

Change-Id: Idde34acc859e6191a71239616b2b69f09650ef49

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java

Conflicts:
	core/java/android/provider/Settings.java