Remove unused signal

Author: Vogtinator

qmlbridge.h

@@ -141,10 +141,6 @@ public slots:
     void touchpadStateChanged(qreal x, qreal y, bool contact, bool down);
     void buttonStateChanged(int id, bool state);
 
-    /* Never called. Used as NOTIFY value for writable properties
-     * that aren't used outside of QML. */
-    void neverEmitted();
-
 private:
     static void usblink_progress_changed(int percent, void *qml_bridge_p);