Removed most of the pre-XDG MIME code from the Unix implementation, many speed-ups by simplification

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54434 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/carbon/mimetype.h

@@ -38,10 +38,6 @@ public :
 
     size_t EnumAllFileTypes(wxArrayString& mimetypes);
 
-    // this are NOPs under MacOS
-    bool ReadMailcap(const wxString& WXUNUSED(filename), bool WXUNUSED(fallback) = TRUE) { return TRUE; }
-    bool ReadMimeTypes(const wxString& WXUNUSED(filename)) { return TRUE; }
-
     void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); }
 
     // create a new filetype association