vboot/crossystem: remove "vboot2" annotations
vboot/crossystem: remove "vboot2" annotations

vboot 1 is deprecated, so remove "vboot2" annotations in
crossystem help text.

BUG=none
TEST=make clean && make runtests
BRANCH=none

Signed-off-by: Joel Kitching <c2feea8c1334a0d339e816ae4c7c9ecfa9b30a91@google.com>
Change-Id: Ic46576b34d3f1ea611d574e5566479b8d29c1e81
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/3028643
Tested-by: Joel Kitching <c2feea8c1334a0d339e816ae4c7c9ecfa9b30a91@chromium.org>
Commit-Queue: Joel Kitching <c2feea8c1334a0d339e816ae4c7c9ecfa9b30a91@chromium.org>
Reviewed-by: Julius Werner <4d12f06cff3725783b352157673a720bc67c4afe@chromium.org>

coreboot/vboot,coreboot/vboot,coreboot/vboot,coreboot/vboot,coreboot/vboot