k5_hashtab_remove
int k5_hashtab_remove(struct k5_hashtab *ht, const void *key, size_t klen);
k5_hashtab_remove(hash_table, entry->req_packet.data,
if (k5_hashtab_remove(mcc_hashtab, d->name, strlen(d->name)))
k5_hashtab_remove(mrc->hash_table, entry->tag.data, entry->tag.length);
k5_hashtab_remove(ht, "abc", 3);
k5_hashtab_remove(ht, "bcde", 4);
k5_hashtab_remove(ht, zeros, i);