Remove new additions of "this file is part of" lines

Change-Id: I96dfa5b531842afcf774dd33c2dfa532b5d329c6
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41395
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>

src/lib/spd_cache.c

@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
-/* This file is part of the coreboot project. */
 
 #include <assert.h>
 #include <console/console.h>

src/soc/amd/picasso/include/soc/acp.h

@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
-/* This file is part of the coreboot project. */
 
 #ifndef __PI_PICASSO_ACP_H__
 #define __PI_PICASSO_ACP_H__

src/soc/amd/picasso/include/soc/reset.h

@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
-/* This file is part of the coreboot project. */
 
 #ifndef __PI_PICASSO_RESET_H__
 #define __PI_PICASSO_RESET_H__