remove out of date comment

diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
index cfeceda75daf895c21e7d42593ccc89e6239b30a..3bec308138f0d45bb84056127f4ed5e621cc1bf0 100644 (file)
--- a/lib/dns/rbtdb.c
+++ b/lib/dns/rbtdb.c
@@ -6492,13 +6492,6 @@ add32(dns_rbtdb_t *rbtdb, dns_rbtnode_t *rbtnode, rbtdb_version_t *rbtversion,
                } else {
                        idx = newheader->node->locknum;
                        if (IS_CACHE(rbtdb)) {
-                               /*
-                                * XXXMLG We don't check the return value
-                                * here.  If it fails, we will not do TTL
-                                * based expiry on this node.  However, we
-                                * will do it on the LRU side, so memory
-                                * will not leak... for long.
-                                */
                                INSIST(rbtdb->heaps != NULL);
                                result = isc_heap_insert(rbtdb->heaps[idx],
                                                         newheader);