Quiet Hours (2/2) thanks cm

remove as well depreciated ontreeclick

Change-Id: Id61ced473589e1f4a6ca30e4d3302c01f7b91ae2

Conflicts:
	res/values/slim_strings.xml
	res/xml/slim_sound_settings.xml

Conflicts:
	res/values/psx_strings.xml
	res/xml/user_interface_settings.xml

German Translation for Quiet Hours
Fix a derp in SoundSettings regarding super.onPreferenceClick