site: drop the Configurable Themes feature card (orphan row)

Author: Yogthos

index.html

@@ -732,10 +732,6 @@ <h3>Token-Efficient I/O</h3>
       <h3>Step-Through Debugging</h3>
       <p>A built-in Debug Adapter Protocol client drives real debuggers — set breakpoints, step, inspect stacks and variables — straight from the agent loop and Janet plugins (<code>debug</code> tool, <code>dap/*</code> bindings).</p>
     </div>
-    <div class="feat">
-      <h3>Configurable Themes</h3>
-      <p>Ships a cohesive 80s-CRT <b>phosphor</b> palette (and a <b>plain</b> preset); any <code>&lt;name&gt;.theme.json</code> overrides every semantic color — including a configurable terminal <b>background</b> — with named / <code>#hex</code> / 256-index values.</p>
-    </div>
   </div>
 </section>