Remove 'create batch from results' link on products index page

This probably should come back someday, but in a smarter form and
leveraging new-style batches of course...

tailbone/templates/products/index.mako

@@ -96,11 +96,4 @@
   % endif
 </%def>
 
-<%def name="context_menu_items()">
-  ${parent.context_menu_items()}
-  % if request.has_perm('batches.create'):
-      <li>${h.link_to("Create new Batch from results", url('products.create_batch'))}</li>
-  % endif
-</%def>
-
 ${parent.body()}