Per @each, skipping cleanup of (|nsec_|nsec3_)origin nodes in
qpznode_release in qpzone.c is a residual from RBTDB, but it is
unnecessary or at most a performance optimization with QP.
Remove it to make it further changes easier to qpznode_release easier.
}
/* Handle easy and typical case first. */
- if (!node->dirty &&
- (node->data != NULL || node == qpdb->origin ||
- node == qpdb->nsec_origin || node == qpdb->nsec3_origin))
- {
+ if (!node->dirty && node->data != NULL) {
goto unref;
}