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/cocoa/icon.h

@@ -24,10 +24,6 @@ class WXDLLEXPORT wxIcon: public wxGDIObject
 public:
     wxIcon();
 
-    // Copy constructors
-    wxIcon(const wxIcon& icon)
-    {   Ref(icon); }
-
     wxIcon(const char **data) { CreateFromXpm(data); }
     wxIcon(char **data) { CreateFromXpm((const char**)data); }
     wxIcon(const char bits[], int width , int height );
@@ -44,8 +40,6 @@ public:
     bool LoadFile(const wxString& name, wxBitmapType flags = wxBITMAP_TYPE_ICON_RESOURCE )
     {   return LoadFile( name , flags , -1 , -1 ) ; }
 
-    wxIcon& operator=(const wxIcon& icon)
-    {   if (this != &icon) Ref(icon); return *this; }
     bool operator==(const wxIcon& icon) const
     {   return m_refData == icon.m_refData; }
     bool operator!=(const wxIcon& icon) const { return !(*this == icon); }