don't change the mode when opening

protocol/enttec/dmx-usb-pro/widget.cpp

@@ -95,7 +95,6 @@ void Widget::open()
       std::scoped_lock lock(mtx_metadata_);
       usb_mode = USBhost;                   // note connected state
     }
-    setModeBridge();
     getParameters(0, 500);                  // retrieve widget metadata
   }
 }