Don't relicense FindCUDAToolkit.cmake (#17334) (#17361)

https://www.apache.org/legal/src-headers.html#3party recommends to license small changes based on the original license. Thus I re-license my changes to FindCUDAToolkit.cmake under the BSD license used by CMake (see file header).

Author: leezu

LICENSE

@@ -326,6 +326,8 @@
          Copyright 2005-2015, Google Inc.
     8. OpenMP Testsuite - For details, see, 3rdparty/openmp/testsuite/LICENSE
          Copyright (c) 2011, 2012 University of Houston System
+    9. CMake FindCUDAToolkit.cmake - For details, see, cmake/Modules/FindCUDAToolkit.cmake
+         Copyright 2000-2019 Kitware, Inc. and Contributors
 
 
     =======================================================================================

cmake/Modules/FindCUDAToolkit.cmake

@@ -1,22 +1,3 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-# Original license notice, prior to modification by MXNet Contributors:
-#
 # Copyright 2000-2019 Kitware, Inc. and Contributors
 # All rights reserved.
 #

tests/nightly/apache_rat_license_check/rat-excludes

@@ -75,3 +75,4 @@ include/*
 searchtools_custom.js
 theme.conf
 LICENSE.binary.dependencies
+cmake/Modules/FindCUDAToolkit.cmake

tools/license_header.py

@@ -76,7 +76,7 @@
 
                 # Docs Jekyll website under different licenses
                'docs/static_site',
-  
+
                # Code shared with project by author - see file for details
                'src/operator/special_functions-inl.h',
 
@@ -98,6 +98,7 @@
                'docs/_static/js/clipboard.js',
                'docs/_static/js/clipboard.min.js',
                'docs/static_site/src/assets/js/clipboard.js',
+               'cmake/Modules/FindCUDAToolkit.cmake',
 
                # Licensed under 2-Clause BSD in header
                'example/ssd/dataset/pycocotools/coco.py',