updated author metadata tag in cloud services and vmss docs

Author: ericd-mst-github

articles/cloud-services/mitigate-se.md

@@ -4,7 +4,7 @@ titleSuffix: Azure Cloud Services
 description: In this article, learn now to mitigate speculative execution side-channel vulnerabilities in Azure.
 services: cloud-services
 documentationcenter: ''
-author: jushiman
+author: ju-shim
 tags: azure-resource-manager
 keywords: spectre,meltdown,specter
 ms.service: cloud-services

articles/virtual-machine-scale-sets/tutorial-use-custom-image-cli.md

@@ -1,7 +1,7 @@
 ---
 title: Tutorial - Use a custom VM image in a scale set with Azure CLI
 description: Learn how to use the Azure CLI to create a custom VM image that you can use to deploy a Virtual Machine Scale Set
-author: jushiman
+author: ju-shim
 ms.service: virtual-machine-scale-sets
 ms.subservice: shared-image-gallery
 ms.topic: tutorial

articles/virtual-machine-scale-sets/tutorial-use-custom-image-powershell.md

@@ -1,7 +1,7 @@
 ---
 title: Tutorial - Use a custom VM image in a scale set with Azure PowerShell
 description: Learn how to use Azure PowerShell to create a custom VM image that you can use to deploy a Virtual Machine Scale Set
-author: jushiman
+author: ju-shim
 ms.service: virtual-machine-scale-sets
 ms.subservice: shared-image-gallery
 ms.topic: tutorial