Remove dagster-deltalake libraries in favour of single library dagster-delta

[ion-elgreco]

What's the use case?

The dagster-deltalake libraries are less well maintained as the fork I've created: https://github.com/ASML-Labs/dagster-delta. I suggest the dagster-deltalake libraries should be marked deprecated and the docs should point to dagster-delta.

dagster-delta has full full partition mapping support, MERGE support and other features. I also maintain delta-rs so dagster-delta will always be up to par with the latest features of delta-rs.

cc @cmpadden @danielgafni

Ideas of implementation

No response

Additional information

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Message from the maintainers

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