src: remove unneeded Environment error methods
They seem to have been introduced as "convenience methods" in commit
75adde07 ("src: remove node_isolate from source") for reasons I can
only guess at but they can be removed without much hassle.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
They seem to have been introduced as "convenience methods" in commit
75adde07 ("src: remove node_isolate from source") for reasons I can
only guess at but they can be removed without much hassle.