Removing obsolete comment: the index is defined in hc.api.models.Check.Meta

hc/api/management/commands/sendalerts.py

@@ -82,9 +82,6 @@ class Command(BaseCommand):
 
         now = timezone.now()
 
-        # In PostgreSQL, add this index to run the below query efficiently:
-        # CREATE INDEX api_check_up ON api_check (alert_after) WHERE status = 'up'
-
         q = Check.objects.filter(alert_after__lt=now).exclude(status="down")
         # Sort by alert_after, to avoid unnecessary sorting by id:
         check = q.order_by("alert_after").first()