Following a DWG request “[Ticket#2026061910000342] Request for revert of legacy bad quality administrative boundaries import (Changeset: 37611459)” I’ve deleted the old statistical boundaries added in that changeset. Some had been deleted before; nodes used for other things have not been deleted.
The deleting changesets were https://www.openstreetmap.org/changeset/187581257 through https://www.openstreetmap.org/changeset/187584233.
