Revert "feat: send song requests to Hermes via webhook"

This reverts commit d7ed56f34e.

templates/admin/request.html

@@ -326,9 +326,6 @@
         <div class="section">
           <h2>1. Generate &amp; Save Suno Prompt</h2>
           <button type="button" onclick="copyPromptForHermes()">Copy customer info for Hermes</button>
-          <form method="POST" action="{{ url_for('send_to_hermes', rid=req.id) }}" style="display:inline">
-            <button type="submit" onclick="return confirm('Send this request to Hermes to generate a Suno prompt?')">🚀 Send to Hermes</button>
-          </form>
           <p class="copy-hint">Paste Hermes' Title, Style, and Lyrics directly into the fields below, then save.</p>
 
           <form method="POST">