Update private-clusters.md

Author: miwithro

articles/aks/private-clusters.md

@@ -15,8 +15,6 @@ The control plane or API server is in an Azure Kubernetes Service (AKS)-managed
 
 When you provision a private AKS cluster, AKS by default creates a private FQDN with a private DNS zone and an additional public FQDN with a corresponding A record in Azure public DNS. The agent nodes still use the A record in the private DNS zone to resolve the private IP address of the private endpoint for communication to the API server.  
 
-![Public DNS](https://user-images.githubusercontent.com/50749048/124776520-82629600-df0d-11eb-8f6b-71c473b6bd01.png)
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 ## Region availability
 
 Private cluster is available in public regions, Azure Government, and Azure China 21Vianet regions where [AKS is supported](https://azure.microsoft.com/global-infrastructure/services/?products=kubernetes-service).