fix(wavl): do not recursively fixup after delete

Signed-off-by: Matej Focko <mfocko@redhat.com>

wavl.py

@@ -159,10 +159,6 @@ class WAVLTree(AVLTree[T]):
     def _delete_rebalance(
         self, node: Optional[Node[T]], parent: Optional[Node[T]]
     ) -> None:
-        # FIXME: Do not go all the way up, just to the replaced nodes and then
-        # check if rank rule is broken.
-        while node or parent:
         self.__delete_fixup(node, parent)
-            node, parent = parent, (parent.parent if parent else None)
 
     # endregion DeleteRebalance