Revert "vboot: Add vb2api_is_oem_lock_enabled function" This reverts commit 6536877b04021b0de9624e29da6ef3ebf05e61da. Revert reason: API not needed anymore with new fastboot locking. BRANCH=None BUG=b:484260435 TEST=make runtests # In CrOS-SDK Change-Id: I51bbbced4ee5e040ba8f2a7c4a087d1f196981e6 Signed-off-by: Jakub Czapiga <czapiga@google.com> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/7720625 Reviewed-by: Tomasz Michalec <tmichalec@google.com>