Use SPDX license headers on all scripts

This results in much cleaner copyright and license declarations.
SPDX headers are legally recognised and make auditing easier.

Also, remove descriptions of each script, from each script.
Libreboot documentation at docs/maintain/ describes them.

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 2 insertions, 16 deletions

diff --git a/checkversion b/checkversion
index 6ee683ee..28d8d77a 100755
--- a/checkversion
+++ b/checkversion
@@ -1,20 +1,6 @@
 #!/usr/bin/env sh
-
-#	Copyright (C) 2021 Leah Rowe <info@minifree.org>
-#
-#	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 3 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, see <http://www.gnu.org/licenses/>.
-#
+# SPDX-License-Identifier: GPL-3.0-or-later
+# SPDX-FileCopyrightText: 2021 Leah Rowe <info@minifree.org>
 
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u