Fix Zuul shared queue config

The current queue config is deprecated and will be removed in the next
major zuul release. Update to ensure windmill uses correct config.

More info can be found on the zuul mailing list:
  https://lists.zuul-ci.org/pipermail/zuul-discuss/2022-May/001801.html

Change-Id: Ia990109eba12a2059aedbceacff65fa403f71b3b

.zuul.d/project-templates.yaml

@@ -7,8 +7,6 @@
             voting: false
         - windmill-src-fedora-latest:
             voting: false
-    gate:
-      queue: windmill
 
 - project-template:
     name: windmill-jobs-bionic
@@ -17,7 +15,6 @@
         - windmill-ubuntu-bionic
         - windmill-src-ubuntu-bionic
     gate:
-      queue: windmill
       jobs:
         - windmill-ubuntu-bionic
         - windmill-src-ubuntu-bionic

.zuul.d/projects.yaml

@@ -1,5 +1,6 @@
 ---
 - project:
+    queue: windmill
     templates:
       - ansible-role-jobs
       - windmill-jobs-bionic