Remove usage of deprecated "min_satisfying_examples" hypothesis setting (#16401)
Summary:
This setting has been deprecated in [hypythesis 3.56.0](https://github.com/HypothesisWorks/hypothesis/blob/d1b0df5b91051de7d3f9cea6550ce31e9f0ee2c8/hypothesis-python/docs/changes.rst#3560---2018-04-17) and recently has been removed in [hypothesis 4.x](https://github.com/HypothesisWorks/hypothesis/blob/d1b0df5b91051de7d3f9cea6550ce31e9f0ee2c8/hypothesis-python/docs/changes.rst#400---2019-01-14).
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16401
Reviewed By: ezyang
Differential Revision: D13832528
Pulled By: bddppq
fbshipit-source-id: 04b9f1dfdf2dcfe0ef121dd02f7fbfdf6bf4aead
