updated ToC, removed preview for MITS

Author: Nicolas Oman

articles/service-fabric/toc.yml

@@ -355,7 +355,7 @@
     href: service-fabric-api-management-overview.md
   - name: App Resource model
     href: service-fabric-concept-resource-model.md
-  - name: Managed Identity (preview)
+  - name: Managed Identity
     href: concepts-managed-identity.md
   - name: Configure container repository credentials
     href: configure-container-repository-credentials.md
@@ -753,7 +753,7 @@
       href: service-fabric-reverse-proxy-diagnostics.md
     - name: Troubleshoot your local cluster
       href: service-fabric-troubleshoot-local-cluster-setup.md
-  - name: Use Managed Identity for Service Fabric apps (preview)
+  - name: Use Managed Identity for Service Fabric apps
     items:
     - name: Cluster setup
       items: