Removed duration field from public lecture list

templates/macros.html

@@ -211,8 +211,8 @@ $('#embedcodebtn').popover(
 				<li>{{ moderator_editor(['lectures',lecture.id,'title'], lecture.title) }}{{livelabel((lecture.live and lecture.time > datetime.now()-timedelta(days=1)), videos|selectattr("livehandle")|list|length)}}</li>
 				{% if lecture.speaker or ismod() %}<li>Gehalten von {{ moderator_editor(['lectures',lecture.id,'speaker'], lecture.speaker) }}</li>{% endif %}
 				<li>{{ moderator_editor(['lectures',lecture.id,'time'], lecture.time) }} </li>
-				<li>Dauer: {{ moderator_editor(['lectures',lecture.id,'duration'], lecture.duration) }} min</li>
 				{% if  ismod() %}
+				<li>Dauer: {{ moderator_editor(['lectures',lecture.id,'duration'], lecture.duration) }} min</li>
 				<li>ID: <a href="{{url_for('course',handle=lecture.course.handle)}}#lecture-{{lecture.id}}">{{lecture.id}}</a></li>
 				{% endif %}
 			</ul>
@@ -245,7 +245,6 @@ $('#embedcodebtn').popover(
 			</ul>
 			<ul class="list-unstyled col-sm-3 col-xs-12">
 				<li>{{ moderator_editor(['lectures',lecture.id,'time'], lecture.time) }} </li>
-				<li>Dauer: {{ moderator_editor(['lectures',lecture.id,'duration'], lecture.duration) }} min</li>
 			</ul>
 			<ul class="list-inline col-sm-4 col-xs-12">
 				<li>{{ moderator_editor(['lectures',lecture.id,'comment'], lecture.comment) }}</li>