End support for stable/wallaby

This marks the end of support for stable/wallaby
which is EM now [1]. This remove the stable/wallaby
jobs and also adds relesenote to mark the end of
support of Wallaby.

Depends-On: https://review.opendev.org/c/openstack/releases/+/862393

[1] https://releases.openstack.org/

Change-Id: Ie3bbbc80e4b2e7bca8e8b70fce1d31166220c6d3

releasenotes/notes/end-of-support-of-wallaby-455e4871ae4cb32e.yaml

@@ -0,0 +1,12 @@
+---
+prelude: |
+    This is an intermediate release during the 2023.1 development cycle to
+    mark the end of support for EM Wallaby release in Tempest.
+    After this release, Tempest will support below OpenStack Releases:
+
+    * Zed
+    * Yoga
+    * Xena
+
+    Current development of Tempest is for OpenStack 2023.1 development
+    cycle.

zuul.d/project.yaml

@@ -42,10 +42,6 @@
             irrelevant-files: *tempest-irrelevant-files
         - tempest-full-xena:
             irrelevant-files: *tempest-irrelevant-files
-        - tempest-full-wallaby-py3:
-            irrelevant-files: *tempest-irrelevant-files
-        - tempest-slow-wallaby:
-            irrelevant-files: *tempest-irrelevant-files
         - tempest-multinode-full-py3:
             irrelevant-files: *tempest-irrelevant-files
         - tempest-tox-plugin-sanity-check:
@@ -180,11 +176,9 @@
         - tempest-full-zed
         - tempest-full-yoga
         - tempest-full-xena
-        - tempest-full-wallaby-py3
         - tempest-slow-zed
         - tempest-slow-yoga
         - tempest-slow-xena
-        - tempest-slow-wallaby
     periodic:
       jobs:
         - tempest-all

zuul.d/stable-jobs.yaml

@@ -17,12 +17,6 @@
     nodeset: openstack-single-node-focal
     override-checkout: stable/xena
 
-- job:
-    name: tempest-full-wallaby-py3
-    parent: tempest-full-py3
-    nodeset: openstack-single-node-focal
-    override-checkout: stable/wallaby
-
 - job:
     name: tempest-slow-zed
     parent: tempest-slow-py3
@@ -41,12 +35,6 @@
     nodeset: openstack-two-node-focal
     override-checkout: stable/xena
 
-- job:
-    name: tempest-slow-wallaby
-    parent: tempest-slow-py3
-    nodeset: openstack-two-node-focal
-    override-checkout: stable/wallaby
-
 - job:
     name: tempest-full-py3
     parent: devstack-tempest