AGESA f15 vendorcode: Remove unused sources

Change-Id: Id1ed36e7e76d25cdc9e86254b108deaca0f8b423
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21265
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
23 files changed