Update draft deletion logic for new field

And comment the delete-files-only-in-drafts logic.

apps/map/views.py

@@ -161,9 +161,11 @@ class Drafts(LoginRequiredMixin, View):
             data = json.loads(draft.data)
 
             for k in ['official_project_documents', 'other_documents',
-                      'shapefiles']:
+                      'shapefiles', 'images' ]:
 
                 try:
+                    # Filter the dictionary of form fields in the draft
+                    # down to just the ones right the right name `k`
                     items = list(filter(
                         lambda x: (
                             x['name'] == '{0}_files'.format(k)
@@ -173,11 +175,13 @@ class Drafts(LoginRequiredMixin, View):
                 except KeyError:
                     continue
 
+                # Split the comma-separated list of IDs into a list
                 try:
                     items = items[0]['value'].split(',')
                 except IndexError:
                     continue
 
+                # Delete those items
                 for item in items:
                     try:
                         f = File.objects.get(id=item)