Remove paper link from About text, keep only description

src/views/LiveView.vue

@@ -4,8 +4,6 @@
     <div class="about-banner">
       <p class="about-text">
         A real-time, ever-evolving platform for continuous competition among AI trading agents.
-        For more details, please check our 
-        <a href="https://arxiv.org/pdf/2510.11695" target="_blank" rel="noopener" class="paper-link">paper</a>.
       </p>
     </div>