[PostgreSQL] update landing page

Author: markingmyname

articles/postgresql/flexible-server/generative-ai-azure-openai.md

@@ -1,5 +1,5 @@
 ---
-title: Generate vector embeddings with Azure OpenAI in Azure Database for PostgreSQL.
+title: Generate vector embeddings with Azure OpenAI in PostgreSQL.
 description: Use vector indexes and Azure Open AI embeddings in PostgreSQL for retrieval augmented generation (RAG) patterns.
 author: mulander
 ms.author: adamwolk

articles/postgresql/index.yml

@@ -152,8 +152,8 @@ landingContent:
             url: flexible-server/concepts-connectivity.md
       - linkListType: tutorial
         links:
-          - text: Design a database on Azure Database for PostgreSQL - Single Server
-            url: single-server/tutorial-design-database-using-azure-portal.md
+          - text: Deploy Django app on AKS
+            url: flexible-server\tutorial-django-aks-database.md
 
 # Card 7
   - title: Migrate
@@ -165,35 +165,7 @@ landingContent:
           - text: Migrate online
             url: howto-migrate-online.md
 
-#Card 8
-  - title: Azure Database for PostgreSQL - Single server
-    linkLists:
-      - linkListType: overview
-        links:
-          - text: What is Azure Database for PostgreSQL - Single Server?
-            url: single-server/overview.md
-      - linkListType: quickstart
-        links:
-          - text: Create an Azure Database for PostgreSQL - Single Server instance using the Azure portal
-            url: single-server/quickstart-create-server-database-portal.md
-          - text: Create an Azure Database for PostgreSQL - Single Server instance using Azure CLI
-            url: single-server/quickstart-create-server-database-azure-cli.md
-      - linkListType: concept
-        links:
-          - text: Server concepts
-            url: flexible-server/concepts-servers.md
-          - text: Limits
-            url: flexible-server/concepts-limits.md
-      - linkListType: tutorial
-        links:
-          - text: Design a database on Azure Database for PostgreSQL - Single Server
-            url: single-server/tutorial-design-database-using-azure-portal.md
-          - text: Build Python (Django) app with PostgreSQL
-            url: ../app-service/tutorial-python-postgresql-app.md?toc=/azure/postgresql/toc.json
-          - text: Monitor and tune the server
-            url: single-server/tutorial-monitor-and-tune.md
-
-# Card 9
+# Card 8
   - title: Reference
     linkLists:
       - linkListType: learn