Refactor the `Record` by removing the schema

[Fokko]

Feature Request / Improvement

The Record class in Typedef should not carry a schema as it does now. This is mostly for testing purposes, but it is very tempting to rely on this schema, while that shouldn't be the case.

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[github-actions[bot]]

This issue has been closed because it has not received any activity in the last 14 days since being marked as 'stale'