Switch release-note-jobs project-template to use new jobs

This patch moves the release-notes-jobs template which is already
in-use to use the new releasenotes job, as well as move it outside
the legacy project templates file.

Depends-On: I3e484efba79878ec460e124f611febf0d7454ce3
Change-Id: I16f5433a4d8a06293b493667c57bd09061150ebd

zuul.d/project-templates.yaml

@@ -119,6 +119,21 @@
             dependencies:
               - publish-openstack-python-tarball
 
+- project-template:
+    name: release-notes-jobs
+    check:
+      jobs:
+        - build-openstack-releasenotes
+    gate:
+      jobs:
+        - build-openstack-releasenotes
+    post:
+      jobs:
+        - publish-openstack-releasenotes
+    tag:
+      jobs:
+        - publish-openstack-releasenotes
+
 - project-template:
     name: openstack-python-jobs
     check:

zuul.d/zuul-legacy-project-templates.yaml

@@ -1411,29 +1411,6 @@
         - openstack-tox-pep8
         - legacy-tox-build
 
-- project-template:
-    name: release-notes-jobs
-    check:
-      jobs:
-        - legacy-releasenotes:
-            files:
-              - ^releasenotes/.*
-              - ^tox.ini
-              - ^.*requirements.txt$
-    gate:
-      jobs:
-        - legacy-releasenotes:
-            files:
-              - ^releasenotes/.*
-              - ^tox.ini
-              - ^.*requirements.txt$
-    post:
-      jobs:
-        - legacy-releasenotes
-    tag:
-      jobs:
-        - legacy-releasenotes
-
 - project-template:
     name: snap-jobs
     check: