code: func Clear(w http.ResponseWriter, r *http.Request, name string) {
  	cookie := http.Cookie{
  		Name:   name,
  		Value:  "deleted",
  		Path:   "/",
  		Domain: r.URL.Host,
  		MaxAge: -1,
  	}
  
  	http.SetCookie(w, &cookie)
  }
docs: // Clear deletes the cookie with the given name.