reverting as I'm not sure if the specific tag relates to locale or to the country the event takes place

svn path=/trunk/; revision=26674

events/2013/event-20130903-01.en.xml

@@ -14,7 +14,7 @@
     </body>
     <!--<page></page>-->
   <tags>
-    <tag>en</tag>
+    <tag>de</tag>
     <tag>secure boot</tag>
     <tag>general purpose computing</tag>
     <tag>front-page</tag>