message: refactor(utxo-lib): remove deprecation markers in SpendableScript
  These properties ended up being useful in certain contexts after all.
  Issue:
diff: @@ -64,9 +64,7 @@ export function scriptType2Of3AsPrevOutType(t: ScriptType2Of3): string {
  export type SpendableScript = {
  scriptPubKey: Buffer;
  - /** @deprecated - use createSpendScripts2of3 */
  redeemScript?: Buffer;
  - /** @deprecated - use createSpendScript2of3 */
  witnessScript?: Buffer;
  };
  