Temporarily disable Passkey section in profil.vue for consistency with recent changes. This update comments out the Passkey management UI elements, aligning with the ongoing review of Passkey functionality across the application.

pages/mitgliederbereich/profil.vue

@@ -134,7 +134,8 @@
             </div>
           </div>
 
-          <!-- Passkeys -->
+          <!-- Passkeys - vorläufig deaktiviert -->
+          <!--
           <div class="border-t border-gray-200 pt-6 mt-6">
             <h3 class="text-lg font-semibold text-gray-900 mb-2">
               Passkeys
@@ -199,6 +200,7 @@
               </li>
             </ul>
           </div>
+          -->
 
           <!-- Error/Success Messages -->
           <div