docs: Remove services field and update ms.date for expressroute-config-samples-nat

Author: duongau

articles/expressroute/expressroute-config-samples-nat.md

@@ -1,11 +1,10 @@
 ---
 title: 'Azure ExpressRoute: Router configuration samples - NAT'
 description: This page provides router configuration samples for Cisco and Juniper routers.
-services: expressroute
 author: duongau
 ms.service: azure-expressroute
 ms.topic: concept-article
-ms.date: 12/28/2023
+ms.date: 03/11/2026
 ms.author: duau
 ---