refactor: remove all unused imports (#9951)

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

packages/frontend/src/components/MkUserList.vue

@@ -16,10 +16,8 @@
 </template>
 
 <script lang="ts" setup>
-import { shallowRef } from 'vue';
 import MkUserInfo from '@/components/MkUserInfo.vue';
 import MkPagination, { Paging } from '@/components/MkPagination.vue';
-import { userPage } from '@/filters/user';
 import { i18n } from '@/i18n';
 
 const props = defineProps<{