retire keystoneauth-saml2

the saml2 features offered by the keystoneauth-saml2 project have
been integrated into keystoneauth. the project has had no releases
so it is safe to retire the project.

Change-Id: I5a7bf15d9e2061f1ada0b11a478fb55bbe8fce03

jenkins/jobs/projects.yaml

@@ -2343,16 +2343,6 @@
       - openstack-releasenotes-jobs
       - 'lib-forward-testing-{name}'
 
-- project:
-    name: keystoneauth-saml2
-    node: bare-trusty
-    tarball-site: tarballs.openstack.org
-    doc-publisher-site: docs.openstack.org
-
-    jobs:
-      - python-jobs
-      - pypi-jobs
-
 - project:
     name: keystonemiddleware
     node: bare-trusty

zuul/layout.yaml

@@ -5801,10 +5801,7 @@ projects:
   - name: openstack/keystoneauth-saml2
     template:
       - name: merge-check
-      - name: python-jobs
-      - name: python3-jobs
-      - name: check-requirements
-      - name: publish-to-pypi
+      - name: noop-jobs
 
   - name: openstack/keystonemiddleware
     template: