payloads/bayou: remove unhooked payload

payloads/bayou: remove unhooked payload

The bayou payload is not attached to the build system in any way, and
has not been for quite a while. Since selecting it in Kconfig does
nothing, remove this payload now that coreboot 4.10 has been released.

Change-Id: Icfb18b88e460a4e4b538b7efe907d4eef6c40638
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34565
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: ron minnich <rminnich@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>