refactor(index.html): quita fichero js que no se utiliza

Author: felixzapata

index.html

@@ -997,7 +997,6 @@ <h4>Otras Fórmulas de Patrocinio</h4>
         <script src="js/wow.min.js"></script>
         <script src="js/jqBootstrapValidation.js"></script>
         <script src="js/custom.js"></script>
-        <script src="js/jquery.countdown.min.js"></script>
         <!-- endbuild-->
 
     </body>