made wxTLW::SetIcon() non-virtual, it was already implemented in terms of

SetIcons() in most of the ports, now do it in all of them


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45322 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/toplevel.h

@@ -108,8 +108,7 @@ public:
 
 
 // Things I may/may not do
-//    virtual void SetIcon(const wxIcon& icon);
-//    virtual void SetIcons(const wxIconBundle& icons) { SetIcon( icons.GetIcon( -1 ) ); }
+//    virtual void SetIcons(const wxIconBundle& icons);
 //    virtual void Clear() ;
 //    virtual void Raise();
 //    virtual void Lower();