refactor: 移除未使用的 NCard 导入

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ndm-web-platform",
-  "version": "0.40.0",
+  "version": "0.0.0",
   "private": true,
   "type": "module",
   "engines": {

src/components/device/device-card/ndm-server/server-high-available.vue

@@ -3,7 +3,7 @@ import { getHighAvailableApi, type NdmServerResultVO, type Station } from '@/api
 import { DEVICE_TYPE_LITERALS, tryGetDeviceType } from '@/enums';
 import { useSettingStore } from '@/stores';
 import { useQuery, useQueryClient } from '@tanstack/vue-query';
-import { NAlert, NCard, NFlex } from 'naive-ui';
+import { NAlert, NFlex } from 'naive-ui';
 import { storeToRefs } from 'pinia';
 import { computed, toRefs, watch } from 'vue';