Remove unused doc files

doc/html/index.html

@@ -29,10 +29,6 @@ img { border: 0; }
           <div class="body">
             
   <div class="section" id="check-websites-for-broken-links">
-<h1>Check websites for broken links</h1>
-<p>LinkChecker is a free, <a class="reference external" href="http://www.gnu.org/licenses/gpl-2.0.html">GPL</a> licensed URL validator.</p>
-<div class="section" id="basic-usage">
-<h2>Basic usage</h2>
 <p>To check a URL like <tt class="docutils literal"><span class="pre">http://www.myhomepage.org/</span></tt> it is enough to
 execute <tt class="docutils literal"><span class="pre">linkchecker</span> <span class="pre">http://www.myhomepage.org/</span></tt>. This will check the
 complete domain of www.myhomepage.org recursively. All links pointing