fix(client): タッチ機能付きディスプレイを使っていてマウス操作をしている場合に一部機能が動作しない問題を修正

packages/client/src/os.ts

@@ -12,16 +12,6 @@ import { resolve } from '@/router';
 import { $i } from '@/account';
 import { defaultStore } from '@/store';
 
-export let isScreenTouching = false;
-
-window.addEventListener('touchstart', () => {
-	isScreenTouching = true;
-}, { passive: true });
-
-window.addEventListener('touchend', () => {
-	isScreenTouching = false;
-}, { passive: true });
-
 export const stream = markRaw(new Misskey.Stream(url, $i));
 
 export const pendingApiRequestsCount = ref(0);