message: remove delta
diff: @@ -115,7 +115,7 @@ export enum BillingInvoiceStatus {
  DRAFT = 'draft',
  VOID = 'void',
  UNCOLLECTIBLE = 'uncollectible',
  - DELETED = 'deleted'
  + DELETED = 'deleted',
  }
  export interface BillingOperationResult {
  