great copy ctor/assignment operators cleanup by Paul Cornett (patch 1307665)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37402 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/os2/metafile.h

@@ -50,10 +50,6 @@ class WXDLLEXPORT wxMetafile: public wxGDIObject
 {
     DECLARE_DYNAMIC_CLASS(wxMetafile)
 public:
-    // Copy constructor
-    inline wxMetafile(const wxMetafile& metafile)
-    { Ref(metafile); }
-
     wxMetafile(const wxString& file = wxEmptyString);
     ~wxMetafile(void);
 
@@ -71,8 +67,6 @@ public:
     void SetWindowsMappingMode(int mm);
 
     // Operators
-    inline wxMetafile& operator = (const wxMetafile& metafile)
-        { if (*this == metafile) return (*this); Ref(metafile); return *this; }
     inline bool operator== (const wxMetafile& metafile) const
         { return m_refData == metafile.m_refData; }
     inline bool operator!= (const wxMetafile& metafile) const