Cleanup tl.constexpr HAS_ATTN_SCALE (#2531)
Summary:
X-link: https://github.com/facebookresearch/generative-recommenders/pull/110
Pull Request resolved: https://github.com/pytorch/benchmark/pull/2531
Reviewed By: LinjianMa
Differential Revision: D65366330
fbshipit-source-id: 43be8c6a04a8751749c35cd18f79a92046e5d36b
