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

src/common/mimecmn.cpp

@@ -667,18 +667,6 @@ wxMimeTypesManager::GetFileTypeFromMimeType(const wxString& mimeType)
     return ft;
 }
 
-bool wxMimeTypesManager::ReadMailcap(const wxString& filename, bool fallback)
-{
-    EnsureImpl();
-    return m_impl->ReadMailcap(filename, fallback);
-}
-
-bool wxMimeTypesManager::ReadMimeTypes(const wxString& filename)
-{
-    EnsureImpl();
-    return m_impl->ReadMimeTypes(filename);
-}
-
 void wxMimeTypesManager::AddFallbacks(const wxFileTypeInfo *filetypes)
 {
     EnsureImpl();