update to toc

Author: sushantjrao

articles/operator-nexus/TOC.yml

@@ -171,8 +171,6 @@
               href: howto-delete-layer-3-isolation-domains.md
             - name: How to put a device into maintenance mode
               href: howto-put-device-in-maintenance-mode.md
-            - name: How to upgrade Network Fabric
-              href: howto-upgrade-nexus-fabric.md
     - name: Nexus Kubernetes cluster
       expanded: false
       items:

articles/operator-nexus/howto-upgrade-nexus-fabric.md

@@ -9,7 +9,6 @@ ms.service: azure-operator-nexus
 ms.custom: template-how-to
 ---
 
-
 ## **Network Fabric upgrade guide**
 
 This how to guide provides a streamlined upgrade process for your network fabric. It is designed to assist users in enhancing their network infrastructure through Azure APIs, which facilitate the lifecycle management of various network devices. Regular updates are crucial for maintaining system integrity and accessing the latest product improvements.