[te] Disable reductions by default (#44122)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/44122
Test Plan: Imported from OSS
Reviewed By: navahgar
Differential Revision: D23504769
Pulled By: bertmaher
fbshipit-source-id: 1889217cd22da529e46ab30c9319a5646267e4ec