Removed ``PDNS_DEFAULT_OWNER_ID`` setting as it is useless.
Removed ``PDNS_DEFAULT_OWNER_ID`` setting as it is useless.

d9pouces/django-powerdns-manager,gnotaras/django-powerdns-manager,gnotaras/django-powerdns-manager,d9pouces/django-powerdns-manager,kumina/django-powerdns-manager,kumina/django-powerdns-manager