Revert D26965463: [pytorch][PR] [docs] Add starter content for new TorchScript language reference
Test Plan: revert-hammer
Differential Revision:
D26965463 (https://github.com/pytorch/pytorch/commit/d49c5c74f55a726b8d24ad20bcf3b2c08ca5b505)
Original commit changeset: 246c76a56d91
fbshipit-source-id: 50de1a2ac92204a2f3a2ad9b8fa163338062bf58
