ENH Adds no_batch_dim for NLLLoss (#62651)
Summary:
Towards https://github.com/pytorch/pytorch/issues/60585
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62651
Reviewed By: VitalyFedyunin
Differential Revision: D30303340
Pulled By: jbschlosser
fbshipit-source-id: 7ab478cf63bf6cd1f850cad5fd101e74a2cfe3f5