[Feature Request]: Add Delete Orphan Files operation in Iceberg

[ahmedabu98]

What would you like to happen?

Add a batch operation that deletes files that are not tracked by the Iceberg table

Iceberg Spark documentation: https://iceberg.apache.org/docs/latest/maintenance/#delete-orphan-files

Issue Priority

Priority: 2 (default / most feature requests should be filed as P2)

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