security/tpm: remove tis_close()

This function was never called from outside of drivers and
src/drivers/pc80/tpm/tis.c was the only one doing it in a questionable
way.

tpm_vendor_cleanup() also isn't needed as one of tis_close() functions
was its only caller.

Change-Id: I9df76adfc21fca9fa1d1af7c40635ec0684ceb0f
Ticket: https://ticket.coreboot.org/issues/433
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68989
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>

0 files changed, 0 insertions, 0 deletions