Removing hardcoded msauthor so the author is assigned by the docfx.

Author: drewbatgit

hub/apps/windows-app-sdk/notifications/app-notifications/index.md

@@ -4,8 +4,6 @@ description: Overview of Windows App SDK App Notifications
 ms.topic: article
 ms.date: 5/9/2022
 keywords: toast, notification
-ms.author: vmehrshahi
-author: vaheeshta
 ms.localizationpriority: medium
 ---