Fossil Hybrid HR: Do not try remove notifications from the watch in unauthenticated mode

This does not seem to work and breaks all further communication with the watch.

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/qhybrid/adapter/fossil_hr/FossilHRWatchAdapter.java

@@ -921,6 +921,10 @@ public class FossilHRWatchAdapter extends FossilWatchAdapter {
     public void onDeleteNotification(int id) {
         super.onDeleteNotification(id);
 
+        if (connectionMode == CONNECTION_MODE.NOT_AUTHENTICATED) {
+            return;
+        }
+
         // send notification dismissal message to watch
         try {
             queueWrite(new DismissTextNotificationRequest(id, this));