[BC-breaking] Remove file-like object support from sox_io backend

[mthrok]

This commit removes file-like obejct support so that we can remove custom patch

The motivation and plan is outlined in #2950.

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[pytorch-bot]

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❌ 2 New Failures

As of commit 0e2f0ed:

NEW FAILURES - The following jobs have failed:

• build (3.8) (gh)
• Stylecheck (gh)

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[facebook-github-bot]

@mthrok has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

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@mthrok has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

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This pull request was exported from Phabricator. Differential Revision: D44695647

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@mthrok merged this pull request in bc54ac8.

[github-actions]

Hey @mthrok.
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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