lighthouse 396, weird space in accordian test

https://mootools.lighthouseapp.com/projects/24057/tickets/396-accordion-test-has-odd-space-in-it

- removes extra dl tag

Tests/Fx/Fx.Accordion.html

@@ -68,14 +68,12 @@
 <p>The section below should have a 4th section, added dynamically, which is clickable like the others.</p>
 
 <dl id="acc3">
-  <dl>
     <dt class="toggle"><b>first section</b></dt>
     <dd class="stretcher">I'm the content for the first section.</dd>
     <dt class="toggle"><b>second section</b></dt>
     <dd class="stretcher">I'm the content for the second section.</dd>
     <dt class="toggle"><b>third section</b></dt>
     <dd class="stretcher">I'm the content for the third section.</dd>
-  </dl>
 </dl>
 <script>
 var acc3 = new Fx.Accordion($$('#acc3 dt'), $$('#acc3 dd'));