Deleted CONF.enforce_scope.designate from test_dns_integration.py

Related-prod: PRODX-30151
Change-Id: I7a83be6f7a4e7fe9b11b9bde04fa62e70c2ffd19
diff --git a/neutron_tempest_plugin/scenario/test_dns_integration.py b/neutron_tempest_plugin/scenario/test_dns_integration.py
index b5a663b..718431e 100644
--- a/neutron_tempest_plugin/scenario/test_dns_integration.py
+++ b/neutron_tempest_plugin/scenario/test_dns_integration.py
@@ -66,12 +66,8 @@
         cls.dns_client = cls.os_tempest.zones_client
         cls.query_client = cls.os_tempest.query_client
         cls.query_client.build_timeout = 30
-        if CONF.enforce_scope.designate:
-            cls.admin_tld_client = cls.os_system_admin.dns_v2.TldClient()
-            cls.rec_client = cls.os_system_admin.dns_v2.RecordsetClient()
-        else:
-            cls.admin_tld_client = cls.os_admin.dns_v2.TldClient()
-            cls.rec_client = cls.os_admin.dns_v2.RecordsetClient()
+        cls.admin_tld_client = cls.os_admin.dns_v2.TldClient()
+        cls.rec_client = cls.os_admin.dns_v2.RecordsetClient()
 
     @classmethod
     def skip_checks(cls):