OSD: map "all_access" role to any authenticated user

We don't use an explicit list of users in OSD, it only takes identification from Keycloak. This change assigns full access to any user. It's probably not the best solution, but the only one I can do quickly, now.

group_vars/all/variables.template

@@ -20,9 +20,3 @@ soctools_users:
 #    email: "soc_admin_2@example.org"
 #    DN: "CN=soc_admin_2"
 #    CN: "soc_admin_2"
-    
-# list of users(username) from previous step which will recive admin roles in OpenSearch Dashboards. (Minimum one user is required)
-OSD_ADMIN_USERS:
-  - soc_admin
-#  -   soc_admin_2
-

roles/opensearch-dashboards/templates/role.json.j2

@@ -6,10 +6,7 @@
       
    ],
    "users":[
-{% for user in OSD_ADMIN_USERS %}
-      "{{ user }}",
-{% endfor %}
-      "admin"
+      "*"
    ],
-   "description":"Maps admin to all_access"
+   "description":"Maps any user to all_access role"
 }