fix(CheckinDetailPage): 允许删除上传的文件并移除冗余文件列表显示

移除注释掉的冗余文件列表显示代码，并启用上传组件的删除功能，提升用户体验

@@ -45,10 +45,10 @@
                             <van-uploader v-model="fileList" :max-count="maxCount" :max-size="20 * 1024 * 1024"
                                 :before-read="beforeRead" :after-read="afterRead" @delete="onDelete"
                                 @click-preview="onClickPreview" multiple :accept="getAcceptType()" result-type="file"
-                                :deletable="false" />
+                                :deletable="true" />
 
                             <!-- 文件列表显示 -->
-                            <div v-if="fileList.length > 0" class="file-list">
+                            <!-- <div v-if="fileList.length > 0" class="file-list">
                                 <div v-for="(item, index) in fileList" :key="index" class="file-item">
                                     <div class="file-info" @click="previewFile(item)">
                                         <van-icon :name="getFileIcon()" size="1rem" />
@@ -57,7 +57,7 @@
                                     </div>
                                     <van-icon name="clear" size="1rem" @click="delItem(item)" class="delete-icon" />
                                 </div>
-                            </div>
+                            </div> -->
 
                             <div class="upload-tips">
                                 <div class="tip-text">最多上传{{ maxCount }}个文件，每个不超过20M</div>