Remove bug_1573141_fixed

This bug was fixed during Newton cycle[1], but the latest plugin
supports only 2024.1+.

[1] 78bce13425b9d74ceae0486e6141df56e90ebffa

Change-Id: Ibe660a1e6e78d61f64c3c7d534eeda69e3cf8f26
diff --git a/designate_tempest_plugin/data_utils.py b/designate_tempest_plugin/data_utils.py
index 75a7d41..31989b7 100644
--- a/designate_tempest_plugin/data_utils.py
+++ b/designate_tempest_plugin/data_utils.py
@@ -92,15 +92,10 @@
             zone_recordsets or data_utils.rand_int_id(100, 999999),
         'recordset_records':
             recordset_records or data_utils.rand_int_id(100, 999999),
+        'api_export_size':
+            api_export_size or data_utils.rand_int_id(100, 999999)
     }
 
-    if CONF.dns_feature_enabled.bug_1573141_fixed:
-        quotas_dict['api_export_size'] = (
-            api_export_size or data_utils.rand_int_id(100, 999999))
-    else:
-        LOG.warning("Leaving `api_export_size` out of quota data due to: "
-                    "https://bugs.launchpad.net/designate/+bug/1573141")
-
     return quotas_dict