Remove reference to 2024.1

Author: priteau

README.rst

@@ -410,8 +410,8 @@ The new containers can be seen running on the controller node:
 
     $ ssh stack@192.168.33.3 docker ps
     CONTAINER ID   IMAGE                                                                        COMMAND                  CREATED       STATUS                 PORTS     NAMES
-    fad79f29afbc   192.168.33.5:4000/openstack.kolla/opensearch-dashboards:2024.1-rocky-9       "dumb-init --single-…"   6 hours ago   Up 6 hours (healthy)             opensearch_dashboards
-    64df77adc709   192.168.33.5:4000/openstack.kolla/opensearch:2024.1-rocky-9                  "dumb-init --single-…"   6 hours ago   Up 6 hours (healthy)             opensearch
+    fad79f29afbc   192.168.33.5:4000/openstack.kolla/opensearch-dashboards:master-rocky-9       "dumb-init --single-…"   6 hours ago   Up 6 hours (healthy)             opensearch_dashboards
+    64df77adc709   192.168.33.5:4000/openstack.kolla/opensearch:master-rocky-9                  "dumb-init --single-…"   6 hours ago   Up 6 hours (healthy)             opensearch
 
 We can see the log indexes in OpenSearch: