Remove mandatory field from bill attachment.

src/pages/PaymentRequest/PaymentRequestSchema.js

@@ -47,7 +47,7 @@ export const PaymentRequestSchema = (expenseTypes) => {
             isActive: z.boolean().default(true),
           })
         )
-        .nonempty({ message: "At least one file attachment is required" }),
+       ,
     })
   };