Remove dead vmtklab trial link from homepage

Author: lassoan

_layouts/frontpage2.html

@@ -27,7 +27,6 @@ <h2 style="font-weight: 700;">The Vascular Modeling Toolkit</h2>
             and surface data analysis for image-based modeling of blood vessels.
           </p>
           <a class="learn-more-btn" href="{{ site.baseurl }}/what-is-vmtk.html">Learn More</a>
-          <a href="http://vmtklab.orobix.com" target="_blank"><div class="homepage-announcements"><h2 style="font-weight: 400;">Get a free trial of VMTKLab</h2></div></a>
         </div>
       </div>
     </div>