don't add one new subservice

Author: gewarren

docfx.json

@@ -88,7 +88,6 @@
         "api/Microsoft.Activities**.yml": "microsoft.activities",
         "api/Microsoft.Build**.yml": "microsoft.build",
         "api/Microsoft.CSharp**.yml": "microsoft.csharp",
-        "api/Microsoft.DotNet**.yml": "microsoft.dotnet",
         "api/Microsoft.Extensions**.yml": "microsoft.extensions",
         "api/Microsoft.JScript**.yml": "microsoft.jscript",
         "api/Microsoft.SqlServer**.yml": "microsoft.sqlserver",