fetching course videos: change query parameter to not retrieve metada…

…ta (#34)

lib.php

@@ -292,7 +292,7 @@ private function get_course_videos($courseid) {
 
             $seriesfilter = "series:" . $seriesid;
 
-            $query = '/api/events?sign=true&withmetadata=true&withpublications=true&filter=' . urlencode($seriesfilter);
+            $query = '/api/events?sign=true&withmetadata=false&withpublications=true&filter=' . urlencode($seriesfilter);
             try {
                 $api = new api($ocinstanceid);
                 $seriesvideos = $api->oc_get($query);