Remove guides at least for now

templates/default.html

@@ -17,7 +17,6 @@
                 <!-- Git logo from https://git-scm.com/downloads/logos -->
                 <!-- Logo by Jason Long -->
                 <a href="https://git.rauhala.info"><img src="/images/git_16.png" alt="git" /></a>
-                <a href="/guides.html">Guides</a>
                 <a href="/contact.html">Contact</a>
             </nav>
         </header>