Bugfix, start() should not fire a callback

src/wp8/BackgroundGeoLocation.cs

@@ -124,8 +124,6 @@ namespace Cordova.Extension.Commands
             Geolocator.PositionChanged += OnGeolocatorOnPositionChanged;
 
             RunningInBackground = true; 
-
-            DispatchCommandResult(new PluginResult(PluginResult.Status.OK));
         }
 
         private void OnGeolocatorOnPositionChanged(Geolocator sender, PositionChangedEventArgs configureCallbackTokenargs)