Remove errant file

=

-// Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
-
-using System;
-using System.IO;
-using System.Reflection;
-using Microsoft.CodeAnalysis;
-using Microsoft.CodeAnalysis.CSharp;
-using Microsoft.CodeAnalysis.Scripting;
-using Microsoft.CodeAnalysis.Scripting.Hosting;
-
-namespace Microsoft.CodeAnalysis.CSharp.Scripting.Hosting
-{
-    internal sealed class CSharpInteractiveCompiler : CSharpCompiler
-    {
-        internal CSharpInteractiveCompiler(string responseFile, string baseDirectory, string sdkDirectoryOpt, string clientDirectory, string[] args, IAnalyzerAssemblyLoader analyzerLoader)
-            // Unlike C# compiler we do not use LIB environment variable. It's only supported for historical reasons.
-            : base(CSharpCommandLineParser.ScriptRunner, responseFile, args, clientDirectory, baseDirectory, sdkDirectoryOpt, null, analyzerLoader)
-        {
-        }
-
-        internal override MetadataReferenceResolver GetCommandLineMetadataReferenceResolver(TouchedFileLogger loggerOpt)
-        {
-            return CommandLineRunner.GetMetadataReferenceResolver(Arguments, loggerOpt);
-        }
-
-        public override void PrintLogo(TextWriter consoleOutput)
-        {
-            var version = typeof(CSharpInteractiveCompiler).GetTypeInfo().Assembly.GetCustomAttribute<AssemblyFileVersionAttribute>().Version;
-            consoleOutput.WriteLine(CSharpScriptingResources.LogoLine1, version);
-            consoleOutput.WriteLine(CSharpScriptingResources.LogoLine2);
-            consoleOutput.WriteLine();
-        }
-
-        public override void PrintHelp(TextWriter consoleOutput)
-        {
-            consoleOutput.Write(CSharpScriptingResources.InteractiveHelp);
-        }
-    }
-}