AUTHORS, util/: Drop individual copyright notices

We have the git history which is a more reliable librarian.

Change-Id: Idbcc5ceeb33804204e56d62491cb58146f7c9f37
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41175
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: ron minnich <rminnich@gmail.com>
diff --git a/util/sconfig/main.c b/util/sconfig/main.c
index 186eedb..036c59c 100644
--- a/util/sconfig/main.c
+++ b/util/sconfig/main.c
@@ -1,9 +1,5 @@
+/* sconfig, coreboot device tree compiler */
 /*
- * sconfig, coreboot device tree compiler
- *
- * Copyright (C) 2010 coresystems GmbH
- *   written by Patrick Georgi <patrick@georgi-clan.de>
- *
  * 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; version 2 of the License.