Remove duplicate from INSTALLED_APPS
Remove duplicate from INSTALLED_APPS

Remove duplicate django.contrib.contenttypes from INSTALLED_APPS

City-of-Helsinki/linkedevents,tuomas777/linkedevents,City-of-Helsinki/linkedevents,aapris/linkedevents,kooditiimi/linkedevents,kooditiimi/linkedevents,tuomas777/linkedevents,aapris/linkedevents,tuomas777/linkedevents,City-of-Helsinki/linkedevents,kooditiimi/linkedevents,aapris/linkedevents,kooditiimi/linkedevents