Archive WalletAppInstall and ValidatorRight when decommissioning?

Questions
1

When Decommissioning a Participant Node which had the Validator App running on it, the wallet-enabled party will have a contract for each of these two templates:

Sample contracts 
com.daml.ledger.api.v2.state_service.ActiveContract = ActiveContract(
  createdEvent = Some(
    value = CreatedEvent(
          :
      templateId = Some(
        value = Identifier(
          packageId = "940b9...",
          moduleName = "Splice.Wallet.Install",
          entityName = "WalletAppInstall")
      ),
          :
      signatories = Vector(
        "my-wallet-party::12204...",
        "my-validator-party::12204..."
      ),
      observers = Vector(),
          :
    )
  ),
  synchronizerId = "global-domain::1220b...",
  reassignmentCounter = 0L
)

com.daml.ledger.api.v2.state_service.ActiveContract = ActiveContract(
  createdEvent = Some(
    value = CreatedEvent(
           :
      templateId = Some(
        value = Identifier(
          packageId = "a5b05...",
          moduleName = "Splice.Amulet",
          entityName = "ValidatorRight")
      ),
           :
      signatories = Vector(
        "my-wallet-party::12204...",
        "my-validator-party::12204..."
      ),
      observers = Vector(),
           :
    )
  ),
  synchronizerId = "global-domain::1220b...",
  reassignmentCounter = 0L
)

Is it important to archive these two contracts before decommissioning the node?

I’m guessing it is not important, since the only stakeholders on the two contracts are both on the soon-to-be decommissioned node.

2

There is no reason to clean those contract up. Just make sure you transer away any CC you had before decomissioning the node.

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