Removing placeholder logic from ProcessedImage.retrieve_image
Removing placeholder logic from ProcessedImage.retrieve_image

As this is now handled further upstream.

respondcreate/django-versatileimagefield,respondcreate/django-versatileimagefield,WGBH/django-versatileimagefield,theskumar/django-versatileimagefield,WGBH/django-versatileimagefield,respondcreate/django-versatileimagefield,WGBH/django-versatileimagefield,theskumar/django-versatileimagefield,theskumar/django-versatileimagefield