Removed duplicate manifest for Visual Studio 2019 BuildTools version 16.9.31025.194. (#13139)

manifests/m/Microsoft/VisualStudio/BuildTools/16.9.31025.194/Microsoft.VisualStudio.BuildTools.yaml

@@ -1,26 +0,0 @@
-PackageIdentifier: Microsoft.VisualStudio.BuildTools
-PackageVersion: 16.9.31025.194
-PackageName: Visual Studio Build Tools
-Publisher: Microsoft
-License: Copyright (c) Microsoft Corporation. All rights reserved.
-LicenseUrl: https://visualstudio.microsoft.com/license-terms/
-Tags:
-- C++
-- tools
-- C#
-- build
-- vs
-ShortDescription: Visual Studio Build Tools
-PackageUrl: https://visualstudio.microsoft.com/
-Installers:
-- Architecture: x64
-  InstallerUrl: https://download.visualstudio.microsoft.com/download/pr/5c555b0d-fffd-45a2-9929-4a5bb59479a4/68c048e8c687ed045d1efd3fdc531e5ce95c05dc374b5aaaeec3614ca8ed2044/vs_BuildTools.exe
-  InstallerSha256: 68C048E8C687ED045D1EFD3FDC531E5CE95C05DC374B5AAAEEC3614CA8ED2044
-  InstallerType: exe
-  InstallerSwitches:
-    Silent: --quiet
-    SilentWithProgress: --passive
-    Custom: --productId Microsoft.VisualStudio.Product.BuildTools --channelId VisualStudio.16.Release --channelUri https://aka.ms/vs/16/release/channel
-PackageLocale: en-US
-ManifestType: singleton
-ManifestVersion: 1.0.0