events xml fix

events.xml

@@ -25,7 +25,7 @@ layout: null
       {% assign counter = counter | plus: 1 %}
       <item>
         <title>{{ event.date | date: "%d.%m.%Y %H:%M" }}: {{ event.title | xml_escape }}</title>
-        <description>{{postdate}} -- {{inthirtydays}}{{ event.short | xml_escape }}</description>
+        <description>{{ event.short | xml_escape }}</description>
         <link>{{ event.url | prepend: site.baseurl | prepend: site.url }}</link>
         <guid isPermaLink="true">{{ event.url | prepend: site.baseurl | prepend: site.url }}</guid>
         {% for location in event.locations %}