Change Details

Part of [ENG-9656](https://linear.app/comm/issue/ENG-9656/native-changes-for-minimal-version-of-backup) It was identified in https://phab.comm.dev/D13849#387643. We don't need to call Backup Service, we have the data locally. `retrieveBackupKeys` will be refactored later in the stack and used in Restore protocol to fetch the User Keys from the backup service. Depends on D14001

Part of [ENG-9656](https://linear.app/comm/issue/ENG-9656/native-changes-for-minimal-version-of-backup) It was identified in https://phab.comm.dev/D13849#387643. We don't need to call the Backup Service, we have the data locally. `retrieveBackupKeys` will be refactored later in the stack and used in the Restore protocol to fetch the User Keys from the backup service. Depends on D14001

Part of [ENG-9656](https://linear.app/comm/issue/ENG-9656/native-changes-for-minimal-version-of-backup) It was identified in https://phab.comm.dev/D13849#387643. We don't need to call the Backup Service, we have the data locally. `retrieveBackupKeys` will be refactored later in the stack and used in the Restore protocol to fetch the User Keys from the backup service. Depends on D14001