refactor: 移除未使用的导入以优化代码结构

移除 `UploadVideoPopup.vue` 和 `VideoPlayer.vue` 中未使用的 `defineProps` 和 `defineEmits` 导入，以简化代码并提高可维护性。

@@ -38,7 +38,7 @@
 </template>
 
 <script setup>
-import { ref, defineProps, defineEmits, watch } from 'vue';
+import { ref, watch } from 'vue';
 import { showToast } from 'vant';
 import VideoPlayer from '@/components/ui/VideoPlayer.vue';
 import { uploadFile, validateFile } from '@/utils/upload';

@@ -12,7 +12,7 @@
 </template>
 
 <script setup>
-import { ref, computed, onMounted, onBeforeUnmount, defineProps, defineEmits } from "vue";
+import { ref, computed, onMounted, onBeforeUnmount } from "vue";
 import { VideoPlayer } from "@videojs-player/vue";
 import videojs from "video.js";
 import "video.js/dist/video-js.css";