Kill the ability to codegen tensor-based broadcasting. (#37547)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/37547
This shouldn't be used anymore.
Test Plan: Imported from OSS
Differential Revision: D21315037
Pulled By: gchanan
fbshipit-source-id: 12728f1d0e1856bf3e8fe1bfcf36cddd305a4a76
