value assigned but never used in _recursive.py (#29181)
Summary:
# Description
I'm new to this project just wanted to start with small bug fixes. I found some unused local variables and I've removed them in this pr.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/29181
Differential Revision: D18319893
Pulled By: suo
fbshipit-source-id: e4f9f13b6db2ca213015569deb12d3fd9beb74a8
