Remove default permissions for session
Remove default permissions for session

fixes #2262

normanjaeckel/OpenSlides,FinnStutzenstein/OpenSlides,jwinzer/OpenSlides,CatoTH/OpenSlides,tsiegleauq/OpenSlides,emanuelschuetze/OpenSlides,normanjaeckel/OpenSlides,CatoTH/OpenSlides,emanuelschuetze/OpenSlides,emanuelschuetze/OpenSlides,CatoTH/OpenSlides,OpenSlides/OpenSlides,tsiegleauq/OpenSlides,tsiegleauq/OpenSlides,normanjaeckel/OpenSlides,jwinzer/OpenSlides,boehlke/OpenSlides,jwinzer/OpenSlides,normanjaeckel/OpenSlides,boehlke/OpenSlides,FinnStutzenstein/OpenSlides,ostcar/OpenSlides,boehlke/OpenSlides,ostcar/OpenSlides,OpenSlides/OpenSlides,emanuelschuetze/OpenSlides,FinnStutzenstein/OpenSlides,boehlke/OpenSlides,jwinzer/OpenSlides,ostcar/OpenSlides,CatoTH/OpenSlides,jwinzer/OpenSlides,FinnStutzenstein/OpenSlides