Delete CCI Linux and MacOS Unittest Jobs

[osalpekar]

Deprecates the Linux and MacOS Unittest jobs now that they've been running on Nova for over a week.

Aside: There was also a stylecheck job that was dependent on the Linux Unittest job. I also put up #3390 to move that stylecheck job to Nova. I'm happy to reintroduce the CCI stylecheck job standalone in CCI if we want the Nova version to run on main for a week.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/audio/3391

• 📄 Preview Python docs built from this PR

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❌ 5 New Failures

As of commit 720543d:

NEW FAILURES - The following jobs have failed:

• build (3.8) (gh)
• Build M1 Conda (gh)
• pytorch/audio / wheel-py3_8-cpu (gh)
• Stylecheck (gh)
• unittests-windows-gpu / windows-job (gh)

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[mthrok]

LGTM. Though technically I think deletion is a better description than deprecation.

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[facebook-github-bot]

@osalpekar merged this pull request in d5d94b7.

[github-actions]

Hey @osalpekar.
You merged this PR, but labels were not properly added. Please add a primary and secondary label (See https://github.com/pytorch/audio/blob/main/.github/process_commit.py).

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