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[Doc] update guide install mkl-static from conda to pip (#130026)

<img width="619" alt="image" src="https://github.com/pytorch/pytorch/assets/8433590/4ac3ca68-57dc-42c7-ac7a-876dc377ebcf">

Conda intel channel is not avaliable now.
Use `pip` install instead of `conda`.

`Windows` and `Linux` are avaliable:
Binary list: https://pypi.org/project/mkl-static/#files

`MacOS` is avaliable for old version:
https://pypi.org/project/mkl-static/2021.3.0/#files

TODO:
1. cherry-pick to `release/2.4` branch, @atalman .
2. fix it also in `release/2.3` branch: https://github.com/pytorch/pytorch/pull/131853

Pull Request resolved: https://github.com/pytorch/pytorch/pull/130026
Approved by: https://github.com/jgong5, https://github.com/atalman

(cherry picked from commit 484852c0

)
Co-authored-by: Xu Han <xu.han@outlook.com>