Fix warning about unused member variable

Change-Id: I8b180ac6414936b45063cd721a12b146b4203736
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

src/plugins/qmldesigner/components/componentcore/modelnodecontextmenu.cpp

@@ -53,7 +53,6 @@
 namespace QmlDesigner {
 
 ModelNodeContextMenu::ModelNodeContextMenu(QmlModelView *view) :
-    m_view(view),
     m_selectionContext(view)
 {
 }

src/plugins/qmldesigner/components/componentcore/modelnodecontextmenu.h

@@ -49,11 +49,10 @@ public:
     static void showContextMenu(QmlModelView *view, const QPoint &globalPosition, const QPoint &scenePosition, bool showSelection);
 
 private:
-    QmlModelView *m_view;
     QPoint m_scenePos;
     SelectionContext m_selectionContext;
 };
 
-}; //QmlDesigner
+} // namespace QmlDesigner
 
 #endif // MODELNODECONTEXTMENU_H