docs: add :nosignatures: in torch.jit (#52555)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/52554
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52555
Reviewed By: ZolotukhinM
Differential Revision: D26573956
Pulled By: SplitInfinity
fbshipit-source-id: ce011c66ce771bc7e9357f98db9994d54faa7013
