This PR removes the `replica_id` field from the `MultiBuffer` struct. We were only ever referencing this field to pass when constructing a `MultiBuffer`, and never used it outside of that. Release Notes: - N/A
This PR removes the `replica_id` field from the `MultiBuffer` struct. We were only ever referencing this field to pass when constructing a `MultiBuffer`, and never used it outside of that. Release Notes: - N/A