The hand-rolled _check_policy_json in cyborg-status fails with
NoSuchOptError because oslo_policy config options are never
registered. Replace it with common_checks.check_policy_json
from oslo.upgradecheck[1] which handles option registration
internally.
[1] https://review.opendev.org/c/openstack/oslo.upgradecheck/+/763484
Closes-Bug: #2143734
Generated-By: Cursor(claude-4.6-opus)
Change-Id: Id2f06cb5a2abb783340a9805c07d08d723f77de2
Signed-off-by: Chandan Kumar (raukadah) <chkumar@redhat.com>