Remove docs and point to ones on dartlang.org.

app/views/site_map.mustache

Index: app/views/site_map.mustache
diff --git a/app/views/site_map.mustache b/app/views/site_map.mustache
index a8aa4d76dd754b0b19131418ce5a1386207a2b44..538e52739378a35bfb70bde66dc1e5f0461a8cd4 100644
--- a/app/views/site_map.mustache
+++ b/app/views/site_map.mustache
@@ -6,20 +6,4 @@
 
 <ul class="site-map">
   <li><a href="/packages">Browse Packages</a></li>
-  <li>
-    Documentation
-    <ul>
-      <li><a href="/doc">Getting Started</a></li>
-      <li><a href="/doc/pubspec.html">Pubspec Format</a></li>
-      <li><a href="/doc/package-layout.html">Package Layout Conventions</a></li>
-      <li><a href="/doc/glossary.html">Glossary</a></li>
-      <li><a href="/doc/versioning.html">Versioning Philosophy</a></li>
-      <li>
-        <a href="/doc/pub-install.html"><code>pub install</code> Command</a>
-      </li>
-      <li>
-        <a href="/doc/pub-update.html"><code>pub update</code> Command</a>
-      </li>
-    </ul>
-  </li>
 </ul>