GTK1 fixes after wxObject-derived classes copy ctors/assignment operators simplifications (patch 1428863)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37441 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk1/brush.h

@@ -36,11 +36,6 @@ public:
     wxBrush( const wxBitmap &stippleBitmap );
     ~wxBrush();
 
-    wxBrush( const wxBrush &brush )
-        : wxBrushBase()
-        { Ref(brush); }
-    wxBrush& operator = ( const wxBrush& brush ) { Ref(brush); return *this; }
-
     bool Ok() const { return m_refData != NULL; }
 
     bool operator == ( const wxBrush& brush ) const;