truly remove metronome autoconnect when not under nsm

qtgui/mainwindow.py

@@ -148,6 +148,8 @@ class MainWindow(TemplateMainWindow):
 
         else:
             self.ui.actionAutoconnect_Metronome.setEnabled(False)
+            self.ui.menuSettings.removeAction(self.ui.actionAutoconnect_Metronome)
+
 
         #Populate the left toolbar. The upper toolbar is created in menu.py
         self.ui.leftToolBar.addWidget(LeftToolBarPrevailingDuration(self)) #needs stepmidiinput started