vboot: remove vboot1-style VbExDebug function

Should use VB2_DEBUG macro instead (which uses vb2ex_printf).

BUG=b:124141368
TEST=make clean && make runtests
BRANCH=none

Change-Id: Ia6da51b597cb02d178ab3906022f1f4075b99a60
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1675864
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: Joel Kitching <kitching@chromium.org>
Commit-Queue: Joel Kitching <kitching@chromium.org>
2 files changed