Only sync Calendar and Sunrise/Sunset on devices that support it

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/liveview/LiveviewCoordinator.java

@@ -120,6 +120,11 @@ public class LiveviewCoordinator extends AbstractDeviceCoordinator {
         return null;
     }
 
+    @Override
+    public boolean supportsCalendarEvents() {
+        return false;
+    }
+
     @Override
     protected void deleteDevice(@NonNull GBDevice gbDevice, @NonNull Device device, @NonNull DaoSession session) throws GBException {
         // nothing to delete, yet