fixed toc

Author: EdB-MSFT

articles/azure-monitor/toc.yml

@@ -1566,13 +1566,6 @@ items:
     items:
     - name: Azure Monitor REST API index
       href: azure-monitor-rest-api-index.md
-    - name: REST API Walkthrough
-      displayName: metrics, analyze
-      href: essentials/rest-api-walkthrough.md
-    - name: Activity log via REST API
-      href: essentials/rest-activity-log.md
-    - name: Migrate to the metrics getBatch API
-      href: essentials/migrate-to-batch-api.md
   - name: Azure alerts management SDK for Python
     href: /python/api/azure-mgmt-monitor/azure.mgmt.monitor.monitormanagementclient
   - name: Resource Manager templates