Change modal delete to take an "remote" option

app/views/admin/items/index.html.erb

@@ -4,7 +4,7 @@
   <%= render 'node_and_children', node: node %>
 </ol>
 
-<%= render 'layouts/delete_modal' %>
+<%= render 'layouts/delete_modal', delete_options: {remote: true} %>
 
 <div id="view-page" class="nano" style="display:none">
   <div class="page-info clearfix">