refactor: remove all unused imports (#9951)

Co-authored-by: tamaina <tamaina@hotmail.co.jp>

packages/frontend/src/pages/drive.vue

@@ -7,7 +7,6 @@
 <script lang="ts" setup>
 import { computed } from 'vue';
 import XDrive from '@/components/MkDrive.vue';
-import * as os from '@/os';
 import { i18n } from '@/i18n';
 import { definePageMetadata } from '@/scripts/page-metadata';