Fix License wording, extra line break, and delete unused file

src/System.Numerics.Vectors/src/System/Numerics/ConstantHelper.cs

@@ -1,5 +1,5 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
-// Licensed under MIT. See LICENSE in the project root for license information.
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
 // This file is auto-generated, do not make permanent modifications.
 
 using System.Runtime.CompilerServices;

src/System.Numerics.Vectors/src/System/Numerics/GenerationConfig.ttinclude

@@ -49,8 +49,8 @@
 
     public void GenerateCopyrightHeader()
     {
-#>// Copyright (c) Microsoft Corporation. All rights reserved.
-// Licensed under MIT. See LICENSE in the project root for license information.
+#>// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
 // This file is auto-generated, do not make permanent modifications.
 <#+
     }

src/System.Numerics.Vectors/src/System/Numerics/Plane.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
-
 using System;
 using System.Globalization;
 using System.Runtime.CompilerServices;

src/System.Numerics.Vectors/src/System/Numerics/Quaternion.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
-
 using System;
 using System.Globalization;
 

src/System.Numerics.Vectors/src/System/Numerics/Register.cs

@@ -1,5 +1,5 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
-// Licensed under MIT. See LICENSE in the project root for license information.
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
 // This file is auto-generated, do not make permanent modifications.
 
 using System.Runtime.InteropServices;

src/System.Numerics.Vectors/src/System/Numerics/Vector.cs

@@ -1,5 +1,5 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
-// Licensed under MIT. See LICENSE in the project root for license information.
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
 // This file is auto-generated, do not make permanent modifications.
 
 using System;

src/System.Numerics.Vectors/tests/GenericVectorTests.cs

@@ -1,5 +1,5 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
-// Licensed under MIT. See LICENSE in the project root for license information.
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
 // This file is auto-generated, do not make permanent modifications.
 
 using System;