refactor(营销活动): 移除查看附件的冗余按钮

src/views/marketing-activity/index.vue

@@ -265,10 +265,10 @@
                                             icon="el-icon-zoom-in" @click="handlePreviewImage(attachment)">
                                             预览
                                         </el-button>
-                                        <el-button type="text" size="small" icon="el-icon-view"
+                                        <!-- <el-button type="text" size="small" icon="el-icon-view"
                                             @click="handleViewAttachment(attachment)">
                                             查看
-                                        </el-button>
+                                        </el-button> -->
                                         <el-button type="text" size="small" icon="el-icon-download"
                                             @click="handleDownloadAttachment(attachment)">
                                             下载