Remove Favorite contact tile from quick settings (1/2)

It is now covered by Custom shortcut tile

Change-Id: I28c6eab5dce4024e1f3987a0cfd73dc6fb08a660

Conflicts:
	packages/SystemUI/AndroidManifest.xml
	packages/SystemUI/res/values-cs/strings.xml
	packages/SystemUI/res/values-fr/strings.xml
	packages/SystemUI/res/values-it/strings.xml
	packages/SystemUI/res/values-pl/strings.xml
	packages/SystemUI/res/values-ru/strings.xml
	packages/SystemUI/res/values/strings.xml
Status bar Auto-Hide [1/2]

Add an option to auto-hide status bar when there are no
notifications.

PS 2 : Improved Logic

Change-Id: I9f9fdb443f6ed981c1941716491cef757b42f8ba

Conflicts:
	core/java/android/provider/Settings.java
Frameworks: remove should mean remove it for real

last piece of favcontact tile

Change-Id: Ia97037ee6db7fbf83d15e6a6c95b21924330e495