Deprecate availability zones migration baseline document

Author: johndowns

articles/reliability/TOC.yml

@@ -30,8 +30,6 @@
     items:
     - name: Overview
       href: availability-zones-migration-overview.md
-    - name: Azure availability zone migration baseline
-      href: availability-zones-baseline.md
     - name: Migration guides by service
       items:
       - name: Azure API Management

articles/reliability/availability-zones-baseline.md

@@ -54,8 +54,8 @@ landingContent:
             url: availability-zones-service-support.md
           - text: Regions with availability zone support
             url: availability-zones-region-support.md
-          - text: Azure availability zone migration baseline
-            url: availability-zones-baseline.md
+          - text: Azure availability zone migration
+            url: availability-zones-migration-overview.md
       - linkListType: how-to-guide
         links:
           - text: Migrate to availability zone support