Merge pull request #5529 from haileytap/hailey-newly-owned-content

[Azure Search] Remove AZ migration guide from TOC

Author: denrea

articles/search/toc.yml

@@ -226,8 +226,6 @@ items:
       href: search-sku-manage-costs.md
     - name: Reliability and recovery
       href: search-reliability.md
-    - name: Availability zone migration guidance
-      href: /azure/reliability/migrate-search-service
     - name: Multi-tenancy
       href: search-modeling-multitenant-saas-applications.md
     - name: Manage