ENH Adds no_batch_dim support for maxpool and unpool for 2d and 3d (#61984)
Summary:
Towards https://github.com/pytorch/pytorch/issues/60585
(Interesting how the maxpool tests are currently in `test/test_nn.py`)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/61984
Reviewed By: suo
Differential Revision: D29883846
Pulled By: jbschlosser
fbshipit-source-id: 1e0637c96f8fa442b4784a9865310c164cbf61c8
