added AKS redirect file, removed stop api on ugprade article

Author: Nickomang

.openpublishing.publish.config.json

@@ -961,6 +961,7 @@
   ".openpublishing.redirection.azure-australia.json",
   ".openpublishing.redirection.azure-databricks.json",
   ".openpublishing.redirection.azure-hpc.json",
+  ".openpublishing.redirection.azure-kubernetes-service.json",
   ".openpublishing.redirection.azure-monitor.json",
   ".openpublishing.redirection.azure-percept.json",
   ".openpublishing.redirection.azure-productivity.json",

.openpublishing.redirection.azure-kubernetes-service.json

@@ -0,0 +1,9 @@
+{
+    "redirections": [    
+        {
+            "source_path_from_root": "/articles/aks/stop-api-upgrade.md",
+            "redirect_url": "/azure/aks/upgrade-cluster",
+            "redirect_document_id": false
+        }
+    ]
+}

articles/aks/TOC.yml

@@ -187,8 +187,6 @@
       items:
         - name: Maintaining and upgrading an AKS cluster
           href: upgrade.md
-        - name: Stop cluster upgrades on API breaking changes (preview)
-          href: stop-api-upgrade.md
         - name: Abort long running operations
           href: manage-abort-operations.md
         - name: Automatically upgrade an AKS cluster