Refactor: Simplify AppVersionInfo background

Removed background styling from AppVersionInfo component for a cleaner look.

src/pages/Settings.tsx

@@ -105,7 +105,7 @@ const Settings = () => {
         </div>
         
         <div className="mt-10 border-t border-gray-200 pt-4">
-          <div className="neuro-flat p-3 rounded-lg">
+          <div>
             <h2 className="text-sm font-medium text-gray-500 mb-2 px-2">버전 정보 설정</h2>
             <AppVersionInfo showDevInfo={true} editable={true} />
           </div>