Revert "feat: 实现基础滚动位置恢复功能"

This reverts commit 4042395e3e.

frontend/src/main.tsx

@@ -1,11 +1,9 @@
 import React from 'react';
 import ReactDOM from 'react-dom/client';
 import { applyTheme, getStoredTheme } from './utils/theme';
-import { initScrollRestore } from './utils/scrollRestore';
 import App from './App';
 
 applyTheme(getStoredTheme());
-initScrollRestore();
 
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <React.StrictMode>