Remove the unused pyDeprecate dependency

[carmocca]

What does this PR do?

See title

Does your PR introduce any breaking changes? If yes, please list them.

None, at least unless users were relying on our installation

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cc @carmocca @akihironitta @Borda

[Borda]

Seems it is used in our codebase 😇

[carmocca]

Void is a no-op. It's not worth the dependency. Removed in c4cdaf7