Revert D32942007: OpInfo: Convert more sample_input_funcs to generators
Test Plan: revert-hammer
Differential Revision:
D32942007 (https://github.com/pytorch/pytorch/commit/d21646c4327b969a1d90cb8e8a6d59d37e94f25d)
Original commit changeset: bb5b253d6d87
Original Phabricator Diff: D32942007 (https://github.com/pytorch/pytorch/commit/d21646c4327b969a1d90cb8e8a6d59d37e94f25d)
fbshipit-source-id: d37c78174f0acea48e4cd4af3ac67ca4ee7ac54d
