remove unused autocomplete templates

app/views/shared/_auto_complete_articles.html.haml

@@ -1,4 +0,0 @@
-%ul.autocomplete
-  - for article in @articles
-    - supplier = @supplier ? "" : " - #{truncate(article.supplier.name)}"
-    %li{:id => article.id.to_s}= "#{article.name} (#{article.unit_quantity} * #{article.unit} | #{number_to_currency(article.price)}#{supplier})"

app/views/shared/_auto_complete_users.rhtml

@@ -1,5 +0,0 @@
-<ul class="autocomplete">
-<% for user in @users do -%>
-  <li><span class="nick"><%=h user.nick %></span><span class="informal"> (<%= user.ordergroup.name.to_s if user.ordergroup %>)</span></li>
-<% end -%>
-</ul>