removed header (dotnet#228)

* removed header

* added auto generated header

Author: srsaggam

src/mlnet.Test/ApprovalTests/ConsoleCodeGeneratorTests.GeneratedTrainCodeTest.approved.txt

@@ -1,6 +1,4 @@
-// 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.
+// This is an auto generated file by ML.NET CLI
 
 using System;
 using System.IO;

src/mlnet/Templates/Console/MLCodeGen.cs

@@ -27,18 +27,9 @@ public partial class MLCodeGen : MLCodeGenBase
         /// </summary>
         public virtual string TransformText()
         {
-            this.Write(@"// 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.
-
-using System;
-using System.IO;
-using System.Linq;
-using Microsoft.ML;
-using Microsoft.ML.Core.Data;
-using Microsoft.ML.Data;
-using Microsoft.Data.DataView;
-");
+            this.Write("// This is an auto generated file by ML.NET CLI\r\n\r\nusing System;\r\nusing System.IO" +
+                    ";\r\nusing System.Linq;\r\nusing Microsoft.ML;\r\nusing Microsoft.ML.Core.Data;\r\nusing" +
+                    " Microsoft.ML.Data;\r\nusing Microsoft.Data.DataView;\r\n");
             this.Write(this.ToStringHelper.ToStringWithCulture(GeneratedUsings));
             this.Write("\r\n\r\nnamespace ");
             this.Write(this.ToStringHelper.ToStringWithCulture(Namespace));

src/mlnet/Templates/Console/MLCodeGen.tt

@@ -5,9 +5,7 @@
 <#@ import namespace="System.Text.RegularExpressions" #>
 <#@ import namespace="System.Collections.Generic" #>
 <#@ import namespace="Microsoft.ML.CLI.Utilities" #>
-// 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.
+// This is an auto generated file by ML.NET CLI
 
 using System;
 using System.IO;