chore: remove error codes feature box

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: robcohen

index.html

@@ -1785,12 +1785,6 @@ <h2 class="text-2xl font-bold mb-12 text-center">Everything you need</h2>
                             STRICT, FIFO, LIFO, HIFO, AVERAGE, and more
                         </div>
                     </div>
-                    <div>
-                        <div class="font-medium mb-1">30 error codes</div>
-                        <div class="text-sm text-white/50">
-                            Comprehensive validation with clear messages
-                        </div>
-                    </div>
                 </div>
             </div>
         </section>