[IMP] Temporarily remove EditionFilter from VolunteerAdmin as it doesn't work yet
[IMP] Temporarily remove EditionFilter from VolunteerAdmin as it doesn't work yet

jrial/fosdem-volunteers,FOSDEM/volunteers,cateee/fosdem-volunteers,cateee/fosdem-volunteers,FOSDEM/volunteers,FOSDEM/volunteers,jrial/fosdem-volunteers,jrial/fosdem-volunteers,cateee/fosdem-volunteers,jrial/fosdem-volunteers,FOSDEM/volunteers,cateee/fosdem-volunteers