Revert "tools: add --certify-safe to ncu-ci"
Reverts nodejs/node#52940 now that https://github.com/nodejs/node-core-utils/pull/806 have landed.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Reverts nodejs/node#52940 now that https://github.com/nodejs/node-core-utils/pull/806 have landed.