Complete OWE service setup and lock feed fallback

shell/plugins/lock/LockFeedSurface.qml

@@ -4,8 +4,4 @@ import Owe.LockFeed
 // Loaded through a Loader from LockView, so a system without the module shows
 // no lock video instead of losing the whole lock screen.
 LockFeed {
-  id: root
-
-  property bool feedEnabled: true
-  active: root.feedEnabled
 }