lib,src: remove --experimental-policy
Refs: https://github.com/nodejs/node/issues/52575
Summary: We are dropping the --experimental-policy
feature from Node.js.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Refs: https://github.com/nodejs/node/issues/52575
Summary: We are dropping the --experimental-policy
feature from Node.js.