doc: remove misplaced articles from references page

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/6743059

doc/reference.html

@@ -53,19 +53,8 @@ Install them with "<code><a href="/cmd/go/#Download_and_install_packages_and_dep
 <li><a href="http://code.google.com/p/go/source/browse?repo=net"><code>code.google.com/p/go.net</code></a> [<a href="http://gopkgdoc.appspot.com/pkg/code.google.com/p/go.net">docs</a>]
 </ul>
 
-<h4 id="articles">Articles</h4>
-
-<ul>
-<li><a href="/doc/articles/c_go_cgo.html">C? Go? Cgo!</a> - linking against C code with <a href="/cmd/cgo/">cgo</a>.</li>
-<li><a href="/doc/gdb">Debugging Go Code with GDB</a></li>
-<li><a href="/doc/articles/defer_panic_recover.html">Defer, Panic, and Recover</a></li>
-<li><a href="/doc/articles/slices_usage_and_internals.html">Go Slices: usage and internals</a></li>
-<li><a href="/doc/articles/godoc_documenting_go_code.html">Godoc: documenting Go code</a> - writing good documentation for <a href="/cmd/godoc/">godoc</a>.</li>
-<li><a href="http://blog.golang.org/2011/06/profiling-go-programs.html">Profiling Go Programs</a></li>
-</ul>
-
 <p>
-See the <a href="/doc/#articles">documentation page</a> for more articles.
+See the <a href="/doc/">documents page</a> for more documentation.
 </p>
 
 </div>