refactor(apis_metainfo): drop unused variable

apis_core/apis_metainfo/models.py

@@ -1,6 +1,5 @@
 import logging
 
-from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ImproperlyConfigured, ValidationError
 from django.db import models
@@ -17,9 +16,6 @@
 logger = logging.getLogger(__name__)
 
 
-NEXT_PREV = getattr(settings, "APIS_NEXT_PREV", True)
-
-
 class RootObject(GenericModel, models.Model):
     """
     The very root thing that can exist in a given ontology. Several classes inherit from it.