fix code quality issues

packages/frontend/src/components/MkSourceCodeAvailablePopup.vue

@@ -47,9 +47,7 @@ import { instance } from '@/instance.js';
 import { miLocalStorage } from '@/local-storage.js';
 import * as os from '@/os.js';
 
-const emit = defineEmits<{
-	(ev: 'closed'): void;
-}>();
+const emit = defineEmits<(ev: 'closed') => void>();
 
 const zIndex = os.claimZIndex('low');
 

packages/frontend/src/pages/reversi/game.vue

@@ -10,7 +10,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { computed, watch, onMounted, ref, shallowRef, onUnmounted } from 'vue';
+import { watch, onMounted, ref, shallowRef, onUnmounted } from 'vue';
 import * as Misskey from 'misskey-js';
 import GameSetting from './game.setting.vue';
 import GameBoard from './game.board.vue';