Update toc.yml

Author: pri-mittal

articles/cost-management-billing/reservations/toc.yml

@@ -38,8 +38,6 @@
       href: /azure/postgresql/single-server/concept-reserved-pricing?toc=/azure/cost-management-billing/reservations/toc.json
     - name: Azure OpenAI
       href: azure-openai.md
-    - name: Azure OpenAI - Transition deployments
-      href: transition-azure-openai-provisioned-deployments.md
     - name: Azure SQL Edge
       href: discount-sql-edge.md
     - name: Database for MySQL