Drop functions that are not being used.
Change-Id: If406601f3bb7a98a621c1339b2f3413a43b8cc9f
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42013
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>