Revert "Revert "Revert D19975411: Remove special case codegen for tril_indices/triu_indices." (#33572)" (#33742)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/33742
This reverts commit 90f4c5695e1785883d9ae7c86ad3fabd1963a4cb.
Test Plan: Imported from OSS
Differential Revision: D20095103
Pulled By: ezyang
fbshipit-source-id: ff47dae21c278570b4ca497d76deedb75823d6d7
