Revert "Add proj dependency to our wheels builder (#104699)"

[frenck]

Proposed change

This reverts commit 6dc818b from PR #104699

This doesn't work.

https://github.com/home-assistant/core/actions/runs/7031361409/job/19133481825

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• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
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• This PR fixes or closes issue: fixes #
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Checklist

• The code change is tested and works locally.
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• Tests have been added to verify that the new code works.

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[frenck]

Have made some more changes, need to adjust that in this revert. Will do after beta.