Add KMS and remove extra line

CHANGELOG.md

@@ -23,10 +23,10 @@ Monitor the release status by regions at [AKS-Release-Tracker](http://aka.ms/aks
 
 * Features
   * [Dedicated Host Support](https://docs.microsoft.com/en-us/azure/aks/use-azure-dedicated-hosts) is now generally available.
+  * [KMS etcd encryption](https://docs.microsoft.com/en-us/azure/aks/use-kms-etcd-encryption) is now generally available.
   * [Confidential Virtual Machines](https://docs.microsoft.com/en-us/azure/aks/use-cvm) is now in Public Preview.
 * Behavioral Changes
   * Use QuotaExceeded error code instead of OperationNotAllowed when receiving quota exceed errors from ARM
-
 * Bug Fixes
   * Azure Monitor for Containers, fixes [issue](https://github.com/microsoft/Docker-Provider/blob/ci_prod/ReleaseNotes.md#07272022--) with node allocatable cpu and memory value when limits are not set
 * Component Updates