message: Refactored removed variable
diff: @@ -407,12 +407,11 @@ export class Listener {
  * @returns boolean
  */
  private accountAddedToMultiSig(transaction: Transaction, address: Address): boolean {
  - let isCosignatoryAdded = false;
  if (transaction instanceof MultisigAccountModificationTransaction) {
  - isCosignatoryAdded = transaction.modifications.find((_: MultisigCosignatoryModification) =>
  + return transaction.modifications.find((_: MultisigCosignatoryModification) =>
  _.modificiationType === CosignatoryModificationAction.Add &&
  _.cosignatoryPublicAccount.address.equals(address)) !== undefined;
  }
  - return isCosignatoryAdded;
  + return false;
  }
  }
  