Move `DRep` to `cardano-ledger-conway`

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#5,431 opened on Nov 20, 2025 1 comment 0 reactions 1 assignee Claimed by @lehins View on GitHub

:cake: good first issue :credit_card: technical-debt

Description

Thanks to removal of `UMap` we no longer need to define `DRep` in `cardano-ledger-core`

This ticket is about moving `Cardano.Ledger.DRep` module into `cardano-ledger-conway:library:Cardano.Ledger.Conway.State.DRep`

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