[v9_18] Deprecate alt-transfer-source and companions
Deprecate the alternate transfer sources from BIND 8.
Backport of !7105 (merged)
Closes #3694 (closed)
Edited by Michał Kępień
Deprecate the alternate transfer sources from BIND 8.
Backport of !7105 (merged)
Closes #3694 (closed)