Cleanup: use SPDX header in CMakeLists.txt generator

intern/libmv/bundle.sh

@@ -81,25 +81,9 @@ for x in $src_dir $src_third_dir; do
 done
 
 cat > CMakeLists.txt << EOF
-# ***** BEGIN GPL LICENSE BLOCK *****
+# SPDX-FileCopyrightText: 2011 Blender Authors
 #
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# The Original Code is Copyright (C) 2011, Blender Authors
-# All rights reserved.
-# ***** END GPL LICENSE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # NOTE: This file is automatically generated by bundle.sh script
 #       If you're doing changes in this file, please update template