Make torch.utils.bencmark numpy free (#60564)
Summary:
PyTorch core do not depend on numpy, so benchmarks should not depend on it as well
Pull Request resolved: https://github.com/pytorch/pytorch/pull/60564
Reviewed By: robieta
Differential Revision: D29497375
Pulled By: malfet
fbshipit-source-id: d9566e5b2e48868cef5568cd62f691af19ccf1f1
