Remove outdated comment in aesara.graph.basic.walk

f31b78d9 · Brandon T. Willard · Brandon T. Willard · 4705e015 · f31b78d9
--- a/aesara/graph/basic.py
+++ b/aesara/graph/basic.py
@@ -687,7 +687,6 @@ def walk(
    Yields
    ------
    nodes
-        When `build_inv` is ``True``, a inverse map is returned.
    Notes
    -----