s/torch::jit::class_/torch::class_/ (#40795)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/40795
Test Plan: Imported from OSS
Reviewed By: suo
Differential Revision: D22314215
Pulled By: jamesr66a
fbshipit-source-id: a2fb5c6804d4014f8e437c6858a7be8cd3efb380
