Remove wrk from tree
This removes wrk from the source tree and replaces all calls to it with a check if wrk is installed or not, calling on users/developers to install it otherwise.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This removes wrk from the source tree and replaces all calls to it with a check if wrk is installed or not, calling on users/developers to install it otherwise.