util/mainboard/google: deduplicate create_coreboot_variant.sh
create_coreboot_variant.sh and kconfig.py have moved to the chromium
repo, in src/platform/dev/contrib/variant (see crrev.com/c/
2052338),
so remove them from the coreboot repo.
BUG=b:
149410618
BRANCH=None
TEST=N/A
Cq-Depend: chromium:
2052338
Signed-off-by: Paul Fagerburg <pfagerburg@chromium.org>
Change-Id: Ie27f68bfd978be5e2b1a2f0789d574749825f6fc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38979
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>