Delete not used dialog

Author: JorgeMaker

src/gui/configtool/devicesTabbedWidget.py

@@ -81,9 +81,4 @@ def saveToFile(self, deviceToSave, file):
                 f.write(json.dumps(deviceToSave.toJSON()))
         else:
             with open(file, 'w', encoding='utf-8') as f:
-                f.write(json.dumps(deviceToSave.toJSON()))
-
-
-    def statisticsDevice(self):
-        dlg = StatisticsInspectorDialog()
-        dlg.exec_()
+                f.write(json.dumps(deviceToSave.toJSON()))