refactor: 移除导航栏中的穿搭生成菜单项

- 从Navigation.tsx中移除'穿搭生成'菜单项
- 简化导航结构，专注于核心功能

apps/desktop/src/components/Navigation.tsx

@@ -43,12 +43,6 @@ const Navigation: React.FC = () => {
       icon: SparklesIcon,
       description: 'AI穿搭方案推荐与素材检索'
     },
-    {
-      name: '穿搭生成',
-      href: '/outfit-photo-generation',
-      icon: SparklesIcon,
-      description: 'AI穿搭照片生成'
-    },
     {
       name: '工具',
       href: '/tools',