Update Add-TeamsAppInstallation.md

Remove author, ms.author, and ms.reviewer test.

Author: chrisda

teams/teams-ps/teams/Add-TeamsAppInstallation.md

@@ -3,9 +3,6 @@ external help file: Microsoft.TeamsCmdlets.PowerShell.Custom.dll-Help.xml
 Module Name: MicrosoftTeams
 online version: https://learn.microsoft.com/powershell/module/teams/add-teamsappinstallation
 schema: 2.0.0
-author: serdarsoysal
-ms.author: serdars
-ms.reviewer:
 ---
 
 # Add-TeamsAppInstallation