Remove outdated docs
This will remove outdated documentation. Since it is outdated, it is just clutter and if we do need it for whatever reason, this is version control so we can go revert if necessary.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This will remove outdated documentation. Since it is outdated, it is just clutter and if we do need it for whatever reason, this is version control so we can go revert if necessary.