Remove engagement type part 3 (#4430)
Remove engagement type part 3 (#4430)

* REMOVE: Engagement_Type model

* REMOVE: Engagement_Type model

* REMOVE: Engagement_Type model

* merge dev

* REMOVE: Engagement_Type model

* migrations

* fix migrations
rackerlabs/django-DefectDojo,rackerlabs/django-DefectDojo,rackerlabs/django-DefectDojo,rackerlabs/django-DefectDojo