Remove dependency vulnerability checker
This change removes the script used to check for new vulnerabilities in Node.js' dependencies, since it has been moved to its own repository.
/cc @mhdawson @RafaelGSS
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This change removes the script used to check for new vulnerabilities in Node.js' dependencies, since it has been moved to its own repository.
/cc @mhdawson @RafaelGSS