Revise Autoscale section in elastic-san-expand.md

Updated the Autoscale section to remove the 'preview' label and clarified the autoscale policy example.

Author: adarshv98

articles/storage/elastic-san/elastic-san-expand.md

@@ -39,9 +39,9 @@ az elastic-san update -e $sanName -g $resourceGroupName --base-size-tib $newBase
 ```
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-## Autoscale (preview)
+## Autoscale
 
-As a preview feature, you can automatically scale up your SAN by specific increments until a specified maximum size. The capacity increments have a minimum of 1 TiB, and you can only set up an autoscale policy for additional capacity units. So when autoscaling, your performance doesn't automatically scale up as your storage does. Here's an example of setting an autoscale policy by using Azure CLI:  
+You can automatically scale up your SAN by specific increments until a specified maximum size. The capacity increments have a minimum of 1 TiB, and you can only set up an autoscale policy for additional capacity units. So when autoscaling, your performance doesn't automatically scale up as your storage does. Here's an example of setting an autoscale policy by using Azure CLI:  
 
 `az elastic-san update -n mySanName -g myVolGroupName --auto-scale-policy-enforcement "Enabled" --unused-size-tib 20 --increase-capacity-unit-by-tib 5 --capacity-unit-scale-up-limit-tib 150`