doc: fix outdated documentation for `family` property
I forgot to update the docs in a few places when working on https://github.com/nodejs/node/pull/41431. Fixes: https://github.com/nodejs/node/issues/42787
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
I forgot to update the docs in a few places when working on https://github.com/nodejs/node/pull/41431. Fixes: https://github.com/nodejs/node/issues/42787