Update site for deprecated monasca-log-api & monasca-ceilometer

monasca-log-api & monasca-ceilometer are deprecated now
- https://review.opendev.org/c/openstack/governance/+/771785

Change-Id: Id0800c9c9471a6d2fcf2bb03071abc3c7f3578cc

tools/www-generator.py

@@ -454,6 +454,8 @@ _RETIRED_REPOS = [
     'openstack/karbor-dashboard',
     'openstack/kolla-cli',
     'openstack/kolla-kubernetes',
+    'openstack/monasca-ceilometer',
+    'openstack/monasca-log-api',
     'openstack/mox3',
     'openstack/networking-calico',
     'openstack/networking-l2gw',