pytorch

5252e985 - [pytorch] clean up unused util srcs under tools/autograd (#50611)

[pytorch] clean up unused util srcs under tools/autograd (#50611) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/50611 Removed the unused old-style code to prevent it from being used. Added all autograd/gen_pyi sources to mypy-strict.ini config. Confirmed byte-for-byte compatible with the old codegen: ``` Run it before and after this PR: .jenkins/pytorch/codegen-test.sh <baseline_output_dir> .jenkins/pytorch/codegen-test.sh <test_output_dir> Then run diff to compare the generated files: diff -Naur <baseline_output_dir> <test_output_dir> ``` Confirmed clean mypy-strict run: ``` mypy --config mypy-strict.ini ``` Test Plan: Imported from OSS Reviewed By: ezyang Differential Revision: D25929730 Pulled By: ljk53 fbshipit-source-id: 1fc94436fd4a6b9b368ee0736e99bfb3c01d38ef