Clean up

Author: CyrusNajmabadi

src/EditorFeatures/Core.Wpf/InlineHints/InlineHintsTagger.cs

@@ -3,10 +3,7 @@
 // See the LICENSE file in the project root for more information.
 
 using System;
-using System.Collections.Immutable;
-using System.Linq;
 using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices.ComTypes;
 using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.Editor.Shared.Extensions;
 using Microsoft.CodeAnalysis.Editor.Tagging;