Remove tag content

Author: baanders

articles/digital-twins/TOC.yml

@@ -101,8 +101,6 @@
       href: how-to-create-azure-function.md
     - name: Query the twin graph
       href: how-to-query-graph.md
-    - name: Create twin-level RBAC with marker tags
-      href: how-to-create-twin-level-role-based-access-control.md
   - name: Develop client apps
     items:
     - name: Make requests with Postman