The feature was included in 2024.2 and present on all supported versions. No upgrade from a version that does not have it is possible to the HEAD. It means that the feature can be deprecated features list and all the migration code can be dropped.
No need to backport since the is code removal.
Closesscylladb/scylladb#30087
* github.com:scylladb/scylladb:
hints: remove hint_directory_manager and IP-based hint directory infrastructure
hints: remove migration infrastructure
hints: deprecate HOST_ID_BASED_HINTED_HANDOFF feature