mb/asrock/b85m_pro4/cmos.layout: Remove copyright notices

Change-Id: I2aaabec17073c0a2ccd40de068223a9215186db3
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41834
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/mainboard/asrock/b85m_pro4/cmos.layout

@@ -1,8 +1,3 @@
-##
-##
-## Copyright (C) 2007-2008 coresystems GmbH
-## Copyright (C) 2014 Vladimir Serbinenko
-##
 ## SPDX-License-Identifier: GPL-2.0-only
 
 # -----------------------------------------------------------------