Revert "Fix missing wxOwnerDrawn functions in WXQT wxMenuItem"

This reverts commit 4e23b3e7f4.
wxOwnerDrawn is only used with wxMSW toolkit.

include/wx/qt/menuitem.h

@@ -9,20 +9,12 @@
 #define _WX_QT_MENUITEM_H_
 
 #include "wx/menuitem.h"
-
-#if wxUSE_OWNER_DRAWN
-    #include "wx/ownerdrw.h"
-#endif
-
 class QAction;
 
 class WXDLLIMPEXP_FWD_CORE wxBitmap;
 class WXDLLIMPEXP_FWD_CORE wxMenu;
 
 class WXDLLIMPEXP_CORE wxMenuItem : public wxMenuItemBase
-#if wxUSE_OWNER_DRAWN
-    , public wxOwnerDrawnBase
-#endif
 {
 public:
     wxMenuItem(wxMenu *parentMenu = NULL,
@@ -41,30 +33,15 @@ public:
     virtual void Check(bool check = true);
     virtual bool IsChecked() const;
 
-    void SetBitmaps(const wxBitmap& bmpChecked,
-                    const wxBitmap& bmpUnchecked = wxNullBitmap);
     void SetBitmap(const wxBitmap& bitmap);
     const wxBitmap& GetBitmap() const;
 
     virtual QAction *GetHandle() const;
 
-#if wxUSE_OWNER_DRAWN
-    void SetDisabledBitmap(const wxBitmap& bmpDisabled);
-    const wxBitmap& GetDisabledBitmap() const;
-
-    // override wxOwnerDrawn base class virtuals
-    virtual wxString GetName() const wxOVERRIDE;
-    virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat) wxOVERRIDE;
-#endif // wxUSE_OWNER_DRAWN
-
 private:
     // Qt is using an action instead of a menu item.
     QAction *m_qtAction;
 
-#if wxUSE_OWNER_DRAWN
-    wxBitmap m_bmpDisabled;
-#endif // wxUSE_OWNER_DRAWN
-
     wxDECLARE_DYNAMIC_CLASS( wxMenuItem );
 };