Temporarily remove ceilometer install

We temporarily remove Ceilometer and Barbican install to execute FT
because Gnocchi and Barbican cannot be installed by some error.

Related to https://storyboard.openstack.org/#!/story/2007732
Related to https://storyboard.openstack.org/#!/story/2008121
Related-Bug: #1889732
Change-Id: I93dbd84cec252bb93257b852aa171d9ca89665c2

.zuul.yaml

@@ -47,13 +47,21 @@
       - openstack/blazar
       - openstack/blazar-nova
       - openstack/horizon
-      - openstack/barbican
-      - openstack/ceilometer
+      # Temporarily remove because of Ubuntu Focal Migration issue
+      #   https://storyboard.openstack.org/#!/story/2007732
+      # - openstack/barbican
+      # Temporarily remove because of Ubuntu Focal Migration issue
+      #   https://storyboard.openstack.org/#!/story/2008121
+      #   https://review.opendev.org/#/c/752294/
+      # - openstack/ceilometer
       - openstack/heat
       - openstack/mistral
       - openstack/mistral-dashboard
       - openstack/networking-sfc
-      - openstack/python-barbicanclient
+      # Temporarily remove because of Ubuntu Focal Migration issue
+      #   https://storyboard.openstack.org/#!/story/2008121
+      #   https://review.opendev.org/#/c/752294/
+      # - openstack/python-barbicanclient
       - openstack/python-blazarclient
       - openstack/python-mistralclient
       - openstack/python-tackerclient
@@ -75,8 +83,13 @@
           heat: https://opendev.org/openstack/heat
           networking-sfc: https://opendev.org/openstack/networking-sfc
           aodh: https://opendev.org/openstack/aodh
-          ceilometer: https://opendev.org/openstack/ceilometer
-          barbican: https://opendev.org/openstack/barbican
+          # Temporarily remove because of Ubuntu Focal Migration issue
+          #   https://storyboard.openstack.org/#!/story/2008121
+          #   https://review.opendev.org/#/c/752294/
+          # ceilometer: https://opendev.org/openstack/ceilometer
+          # Temporarily remove because of Ubuntu Focal Migration issue
+          #   https://storyboard.openstack.org/#!/story/2007732
+          # barbican: https://opendev.org/openstack/barbican
           mistral: https://opendev.org/openstack/mistral
           tacker: https://opendev.org/openstack/tacker
           blazar: https://opendev.org/openstack/blazar

devstack/settings

@@ -1,5 +1,7 @@
 TACKER_MODE=${TACKER_MODE:-all}
-USE_BARBICAN=True
+# Temporarily change because of Ubuntu Focal Migration issue
+#   https://storyboard.openstack.org/#!/story/2007732
+USE_BARBICAN=False
 KUBERNETES_VIM=${KUBERNETES_VIM:-False}
 
 if [ "${TACKER_MODE}" == "all" ]; then