Removed VB service from this branch

src/Features/VisualBasic/Portable/InlineParameterNameHints/InlineParameterNameHintsService.vb

-' Licensed to the .NET Foundation under one or more agreements.
-' The .NET Foundation licenses this file to you under the MIT license.
-' See the LICENSE file in the project root for more information.
-
-Imports System.Composition
-Imports System.Threading
-Imports Microsoft.CodeAnalysis.Host.Mef
-Imports Microsoft.CodeAnalysis.InlineParameterNameHints
-Imports Microsoft.CodeAnalysis.Text
-
-Namespace Microsoft.CodeAnalysis.VisualBasic.InlineParameterNameHints
-
-    <ExportLanguageServiceFactory(GetType(IInlineParameterNameHintsService), LanguageNames.VisualBasic), [Shared]>
-    Friend Class InlineParameterNameHintsService
-        Implements IInlineParameterNameHintsService
-
-        <ImportingConstructor>
-        <Obsolete(MefConstruction.ImportingConstructorMessage, True)>
-        Public Sub New()
-        End Sub
-
-        Public Function GetInlineParameterNameHintsAsync(document As Document, textSpan As TextSpan, Optional cancellationToken As CancellationToken = Nothing) As Task(Of IEnumerable(Of InlineParameterHint)) Implements IInlineParameterNameHintsService.GetInlineParameterNameHintsAsync
-            Throw New NotImplementedException()
-        End Function
-    End Class
-End Namespace