Replace servers nav with 3x-ui clients page showing enabled inbounds

Co-authored-by: Cursor <cursoragent@cursor.com>

app/templates/admin/layout.html

@@ -9,7 +9,6 @@
     </a>
     <nav>
       <a href="/admin" class="{% if request.url.path == '/admin' %}active{% endif %}">Дашборд</a>
-      <a href="/admin/servers" class="{% if '/servers' in request.url.path %}active{% endif %}">Серверы</a>
       <a href="/admin/xui" class="{% if '/xui' in request.url.path %}active{% endif %}">3x-ui</a>
       <a href="/admin/clients" class="{% if '/clients' in request.url.path %}active{% endif %}">Клиенты</a>
       <a href="/" target="_blank">Сайт</a>