Remove links to non-existent articles.

Author: MikeRayMSFT

samples/features/high availability/Kubernetes/readme.md

@@ -2,11 +2,3 @@
 
 
 Availability Groups on SQL Server Containers was provided during SQL Server 2019 preview releases to demonstrate a potential capability. SQL Server 2019 does not support Availability Groups on containers.
-
-Go to the documentation to learn more about:
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-[Always On Availability Groups for SQL Server containers](https://docs.microsoft.com/en-us/sql/linux/sql-server-ag-kubernetes)
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-[Deploy a SQL Server Always On Availability Group on Kubernetes Cluster](https://docs.microsoft.com/en-us/sql/linux/sql-server-linux-kubernetes-deploy) 
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-[Create deployment script for SQL Server Always On Availability Group](https://docs.microsoft.com/en-us/sql/linux/sql-server-linux-kubernetes-create-deployment)