Drop explicit queue configuration

It will be inherited via the designate-devstack-jobs project template,
so we can drop the explicit setting.

Depends-On: https://review.opendev.org/c/openstack/designate/+/861352
Change-Id: Ib555ea19c183149ebdf25f7915089c405c23644d
diff --git a/.zuul.yaml b/.zuul.yaml
index d40d786..4de40ab 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -26,4 +26,3 @@
         - designate-bind9-stable-xena
         - designate-bind9-stable-wallaby
         - neutron-tempest-plugin-designate-scenario
-    queue: designate