docs: remove theme details (#859)

Where the page is hosted is not something readers want to know

Author: elharo

docs/_layouts/default.html

@@ -35,9 +35,6 @@ <h1 class="header">{{ site.title | default: site.github.repository_name }}</h1>
         {{ content }}
       </section>
 
-      <footer>
-        <p><small>Hosted on <a href="https://pages.github.com">GitHub Pages</a> using the Dinky theme</small></p>
-      </footer>
     </div>
     <!--[if !IE]><script>fixScale(document);</script><![endif]-->
     {% if site.google_analytics %}
@@ -51,4 +48,4 @@ <h1 class="header">{{ site.title | default: site.github.repository_name }}</h1>
       </script>
     {% endif %}
   </body>
-</html>
+</html>