fix: comment out Spotify import section + regenerate admin.min.js

Spotify import UI hidden until feature is ready for release.
Regenerated minified JS to ensure cache-busted version is current.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: 2 people

custom_components/beatify/www/admin.html

@@ -150,7 +150,7 @@ <h2 class="section-header"><span class="section-icon" aria-hidden="true">🎵</s
             </div>
         </section>
 
-        <!-- Spotify Playlist Import Section (#165) -->
+        <!-- Spotify Playlist Import Section (#165) — hidden until feature is ready
         <section id="import-playlist" class="section-collapsible collapsed" aria-labelledby="import-playlist-heading">
             <button type="button" class="section-header-collapsible" aria-expanded="false" aria-controls="import-playlist-content">
                 <span class="section-icon" aria-hidden="true">📥</span>
@@ -201,6 +201,7 @@ <h2 class="section-header"><span class="section-icon" aria-hidden="true">🎵</s
                 </div>
             </div>
         </section>
+        -->
 
         <!-- Game Settings Section - Collapsible with all settings -->
         <section id="game-settings" class="section-collapsible collapsed" aria-labelledby="game-settings-heading">