remove ToString() and ToWString() returning C strings as they aren't used anyway

src/window.cpp

@@ -641,7 +641,7 @@ Window * Window::EmptyClone() const
 	return new Window(GetStartX(),GetStartY(),GetWidth(),GetHeight(),itsTitle,itsBaseColor,itsBorder);
 }
 
-char * ToString(const wchar_t *ws)
+/*char * ToString(const wchar_t *ws)
 {
 	string s;
 	for (int i = 0; i < wcslen(ws); i++)
@@ -660,7 +660,7 @@ wchar_t * ToWString(const char *s)
 	wchar_t *ws = new wchar_t[strlen(s)+1]();
 	mbstowcs(ws, s, strlen(s));
 	return ws;
-}
+}*/
 
 string ToString(const wstring &ws)
 {

src/window.h

@@ -51,8 +51,8 @@ typedef void (*GetStringHelper)();
 typedef std::pair<Color, Color> ColorPair;
 typedef std::pair<int, int> Coordinates;
 
-char * ToString(const wchar_t *);
-wchar_t * ToWString(const char *);
+//char * ToString(const wchar_t *);
+//wchar_t * ToWString(const char *);
 string ToString(const wstring &);
 wstring ToWString(const string &);