pare back changes

demo/index.html

@@ -40,9 +40,6 @@
           <p>
             <label><input type="checkbox" id="option-cursor-blink"> cursorBlink</label>
           </p>
-          <p>
-            <label><input type="checkbox" checked id="zmodem-auto"> Accept all ZMODEM prompts<sup>*</sup></label>
-          </p>
           <p>
             <label>
               cursorStyle
@@ -85,7 +82,6 @@
           </div>
         </div>
         <p><strong>Attention:</strong> The demo is a barebones implementation and is designed for xterm.js evaluation purposes only. Exposing the demo to the public as is would introduce security risks for the host.</p>
-        <p><sup>*</sup> ZMODEM file transfers are supported via an addon. To try it out, install <a href="https://ohse.de/uwe/software/lrzsz.html"><code>lrzsz</code></a> onto the remote peer, then run <code>rz</code> to send from your browser or <code>sz &lt;file&gt;</code> to send from the remote peer.</p>
         <script src="main.js" defer ></script>
     </body>
 </html>