Remove ms.subservice = image-builder paired with ms.service = virtual-machines. Replaced by ms.subservice = image-builder paired with ms.service = azure-virtual-machines

Author: Docs Allowlist Management

articles/virtual-machines/vm-boot-optimization.md

@@ -5,7 +5,7 @@ ms.author: surbhijain
 ms.reviewer: kofiforson 
 ms.date: 06/07/2023 
 ms.topic: how-to 
-ms.service: virtual-machines 
+ms.service: azure-virtual-machines
 ms.subservice: image-builder
 ---