Update index.html

Author: TsingZ0

docs/index.html

@@ -226,7 +226,6 @@ <h1><a href="index.html" id="PFLlib">PFLlib</a></h1>
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             <h1>PFLlib Is All You Need</h1>
-            <h2>Master Federated Learning in <strong>2 Hours</strong>—Run It on Your PC!</h2>
             <p>A <strong>beginner-friendly</strong> and comprehensive personalized federated learning <strong>library</strong> and <strong>benchmark platform</strong>. <br /> <strong>38</strong> traditional FL (tFL) or personalized FL (pFL) algorithms,  <strong>3</strong> scenarios, and <strong>24</strong> datasets.</p>
             <button onclick="window.location.href='docs.html'">Get Started</button>
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