Do not call scalar_type

[slyfox3]

Summary:
X-link: https://github.com/facebookresearch/FBGEMM/pull/482

As all argument already should be scalar types

Reviewed By: q10

Differential Revision: D65310552

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[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D65310552

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D65310552

[slyfox3]

Are the failed checks still working properly? Build errors are from python3.9: link

In file included from /github/home/miniconda/envs/build_binary/lib/python3.9/site-packages/torch/include/c10/util/Float8_e5m2.h:17:
/github/home/miniconda/envs/build_binary/lib/python3.9/site-packages/torch/include/c10/util/Half.h:175:10: error: reference to __host__ function '_cvtsh_ss' in __host__ __device__ function
  175 |   return _cvtsh_ss(h);