fix: 删除不用的方法

src/views/sales_policy/components/delayRecordForm.vue

@@ -21,7 +21,7 @@
       width="30%"
       :append-to-body="true"
       :close-on-click-modal="false"
-      :before-close="handleClose"
+      :before-close="delayVisible = false"
     >
       <el-date-picker
         v-model="delayTime"