Removing openstack-state-management from the bots

We are retiring the #openstack-state-management channel in favor
of consolidating the discussion to the #openstack-oslo channel[1].
This patch removes openstack-state-management from gerritbot and
accessbot.

[1] http://lists.openstack.org/pipermail/openstack-discuss/2021-June/022929.html

Change-Id: Ic7aee1df77510e1421d9b42fcd3f950da987a1c4

accessbot/channels.yaml

@@ -212,7 +212,7 @@ channels:
   - name: openstack-solar
   - name: openstack-spaceport
   - name: openstack-stable
-  - name: openstack-state-management
+#  - name: openstack-state-management RETIRED 2021-06-09
   - name: openstack-steth
   - name: openstack-storlets
   - name: openstack-swift

gerritbot/channels.yaml

@@ -1352,17 +1352,6 @@ openstack-stable:
   branches:
     - ^stable/.*
 
-openstack-state-management:
-  events:
-    - patchset-created
-    - change-merged
-  projects:
-    - openstack/automaton
-    - openstack/taskflow
-    - openstack/tooz
-  branches:
-    - master
-
 openstack-steth:
   events:
     - patchset-created