EapHost: Disambiguate from native EAP methods

When eap::config_method_eaphost::get_method_id() returns EAP-MSCHAPv2,
XML-to-BLOB gets confused and picks native EAP-MSCHAPv2 implementation.
Therefore, it was updated to always return unknown EAP type. Outer
method does not need to know the exact method implemented by EapHost
inner method.

Signed-off-by: Simon Rozman <simon@rozman.si>

lib/EapHost/include/Config.h

@@ -123,17 +123,10 @@ namespace eap
         inline void set_type(_In_ const EAP_METHOD_TYPE &type)
         {
             m_type = type;
-            update_type();
         }
 
-    protected:
-        /// \cond internal
-        void update_type();
-        /// \endcond
-
     protected:
         EAP_METHOD_TYPE m_type;     ///< EapHost method type: (EAP type, vendor ID, vendor type, author ID) tuple
-        std::wstring m_type_str;    ///< EAP method type as a string
 
     public:
         sanitizing_blob m_cfg_blob; ///< Method configuration BLOB