Retire tempest-lib

tempest-lib was deprecated in ocata and in zed PTG, QA
discussed and aggreed to retire it.
- https://etherpad.opendev.org/p/qa-zed-ptg

Depends-On: https://review.opendev.org/c/openstack/tempest-lib/+/836701

Change-Id: I4ea523ec9c1bf92019bf8cfb59880860deeb37fd

reference/legacy.yaml

@@ -1847,6 +1847,17 @@ qinling:
       repos:
         - openstack/qinling-dashboard
 
+Quality Assurance:
+  irc-channel: openstack-qa
+  service: Quality Assurance
+  url: https://wiki.openstack.org/wiki/QA
+  partial: yes
+  deliverables:
+    tempest-lib:
+      retired-on: 2022-04-05
+      repos:
+        - openstack/tempest-lib
+
 RefStack:
   ptl:
     name: Chris Hoge

reference/projects.yaml

@@ -2391,11 +2391,6 @@ Quality Assurance:
       release-management: none
       repos:
         - openstack/tempest-plugin-cookiecutter
-    tempest-lib:
-      deprecated: ocata
-      release-management: deprecated
-      repos:
-        - openstack/tempest-lib
     tempest-stress:
       release-management: none
       repos: