refactor(approval): 移除领用说明相关代码

清理不再使用的领用说明字段及相关UI组件，简化代码结构

src/pages/approval/handleApply.vue

@@ -269,7 +269,7 @@ const handleReject = () => {
                 <van-cell title="申请人" :value="approvalStore.currentApproval?.name" />
                 <van-cell title="手机号" :value="approvalStore.currentApproval?.mobile" />
                 <van-cell title="当前状态" :value="statusMap[approvalStore.currentApproval?.status || 1]" />
-                <van-cell title="领用说明" :value="approvalStore.currentApproval?.applyRemark" />
+                <!-- <van-cell title="领用说明" :value="approvalStore.currentApproval?.applyRemark" /> -->
             </van-cell-group>
 
             <van-cell-group class="product-list">

src/pages/product/components/checkout.vue

@@ -221,9 +221,9 @@ async function handleSubmit() {
         </van-cell>
       </van-cell-group>
 
-      <van-cell-group v-if="isApproval">
+      <!-- <van-cell-group v-if="isApproval">
         <van-field v-model="applyRemark" label="领用说明" type="textarea" rows="2" autosize />
-      </van-cell-group>
+      </van-cell-group> -->
 
       <van-cell-group v-if="!isApproval" class="contact-form">
         <van-cell v-if="!corpidLogin" :class="['payment-option', { selected: selectedPayment === 'wechat' }]"