[9.16] Don't crash when rndc delzone encounters a catz member
Try to remove the zone from the NZF config only if it was dynamically added but not by a catalog zone.
Backport of !7232 (merged)
Closes #3745 (closed)
Try to remove the zone from the NZF config only if it was dynamically added but not by a catalog zone.
Backport of !7232 (merged)
Closes #3745 (closed)