Switch to React18 useId (#28651)

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/utils/useId.ts

@@ -1,16 +0,0 @@
-/*
-Copyright 2024 New Vector Ltd.
-Copyright 2024 The Matrix.org Foundation C.I.C.
-
-SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
-Please see LICENSE files in the repository root for full details.
-*/
-
-import React from "react";
-
-const getUniqueId = (() => {
-    return () => `:r${Math.random()}:`;
-})();
-
-// Replace this with React's own useId once we switch to React 18
-export const useId = (): string => React.useMemo(getUniqueId, []);