Revert D24801481: [pytorch][PR] Add AcceleratedGraphModule and serialzie GraphModule to JSON
Test Plan: revert-hammer
Differential Revision:
D24801481 (https://github.com/pytorch/pytorch/commit/9e0102c10f57631000ebf28e55a055f480b9b780)
Original commit changeset: 6b3fe69b51f7
fbshipit-source-id: f8287ef88b302e0f08d58090dc61603a4ef5cb3c