removed data factory monitor visually link from toc

Author: julieMSFT

articles/data-factory/TOC.yml

@@ -553,8 +553,6 @@
       href: data-factory-service-identity.md
   - name: Monitor and manage
     items:
-    - name: Monitor visually
-      href: monitor-visually.md
     - name: Monitor with Azure Monitor
       href: monitor-using-azure-monitor.md
     - name: Monitor with SDKs