[1.5.x] Removed unusable parameters to empty_form property
[1.5.x] Removed unusable parameters to empty_form property

Backport of 884f77bd1 from master.

alx-eu/django,alx-eu/django,bliti/django-nonrel-1.5,ccn-2m/django,imtapps/django-imt-fork,hasadna/django,alx-eu/django,hasadna/django,ccn-2m/django,imtapps/django-imt-fork,ccn-2m/django,imtapps/django-imt-fork,ccn-2m/django,hasadna/django,alx-eu/django,bliti/django-nonrel-1.5,bliti/django-nonrel-1.5