Remove non-working www subdomain from OpenLibm (#261)

Author: mkitti

docs/index.html

@@ -29,7 +29,7 @@ <h1 class="header">OpenLibm</h1>
         <h2>
 <a id="openlibm" class="anchor" href="#openlibm" aria-hidden="true"><span class="octicon octicon-link"></span></a>OpenLibm</h2>
 
-<p><a href="http://www.openlibm.org">OpenLibm</a> is an effort to have a high quality, portable, standalone
+<p><a href="http://openlibm.org">OpenLibm</a> is an effort to have a high quality, portable, standalone
 C mathematical library (<a href="http://en.wikipedia.org/wiki/libm"><code>libm</code></a>).
 It can be used standalone in applications and programming language
 implementations.</p>