chore: 删除无用的变量

src/pages/afterService/exchangeApplication/exchangePrAddDeliver/index.tsx

@@ -6,9 +6,8 @@
  * @Description: 待新增退货发货单
  */
 import React, { useState, useRef } from 'react';
-import { Card, Badge, Progress, Button, Modal } from 'antd';
+import { Card, Badge, Button, Modal } from 'antd';
 import {
-  ClockCircleOutlined, 
   ExclamationCircleOutlined, 
 } from '@ant-design/icons';
 import { history, Link } from 'umi';
@@ -22,10 +21,6 @@ import {
   EXCHANGE_INNER_STATUS_NOT_ADDED_RETURN_DELIVERY, 
   EXCHANGE_INNER_STATUS_UNREVIEWED_RETURN_DELIVERY, 
 } from '@/constants/afterService';
-import { 
-  DOC_TYPE_EXCHANGE_RETURN_INVOICE, 
-  DEPENDENT_DOC_EXCHANGE, 
-} from '@/constants/commodity';
 import { useStateFilterSearchLinkageEffect } from '@/formSchema/effects/useFilterSearch';
 import { FORM_FILTER_PATH } from '@/formSchema/const';
 import EyePreview from '@/components/EyePreview';