content: simplify slide 23 — remove daemon/CA/agents references

These concepts haven't been introduced yet at this point in the talk.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

index.html

@@ -791,10 +791,10 @@ Apply complete! Resources: 2 added, 0 changed, 0 destroyed.
 
   <!-- ─── SLIDE 23 : Ansible concepts ─────────────────────────────── -->
   <section class="s-ansible">
-    <h2>Push, not pull. SSH, not agents.</h2>
+    <h2>Push-based. Runs over SSH.</h2>
     <ul>
       <li>YAML playbooks run tasks in order, across any number of hosts</li>
-      <li>No daemon. No certificate authority. Just <strong>Python + SSH</strong></li>
+      <li>Nothing to install on target servers — just <strong>Python + SSH</strong></li>
       <li>Idempotent modules — same playbook runs safely again and again</li>
     </ul>
     <svg width="750" height="250" viewBox="0 0 750 250" xmlns="http://www.w3.org/2000/svg" style="margin-top:0.5em;">