CM-830: removing field from opensearch (#20)

* CM-830: added grievance for opensearch reporting layer

* CM-830: removed processing json ext

* CM-830: updated fields

* CM-830: fixed opensearch field

grievance_social_protection/documents.py

@@ -33,8 +33,7 @@ class Django:
             model = Ticket
             fields = [
                 'id', 'key', 'title', 'code',
-                'description', 'attending_staff',
-                'status', 'category', 'flags',
+                'description', 'status', 'category', 'flags',
                 'channel', 'resolution'
             ]
             queryset_pagination = 5000