* remove from the tree.
*
* Note: This function *only* removes the node and rebalances the tree.
- * It does not free any memory, nor does it do the equivalent of
- * avl_tree_node_set_unlinked().
+ * It does not free any memory.
*/
void
avl_tree_remove(struct avl_tree_node **root_ptr, struct avl_tree_node *node)