remove unnecessary code
remove unnecessary code

lyw07/kolibri,learningequality/kolibri,lyw07/kolibri,learningequality/kolibri,indirectlylit/kolibri,mrpau/kolibri,mrpau/kolibri,indirectlylit/kolibri,indirectlylit/kolibri,indirectlylit/kolibri,mrpau/kolibri,lyw07/kolibri,mrpau/kolibri,learningequality/kolibri,learningequality/kolibri,lyw07/kolibri