remove legacy systems

templates/leaderboard.html

@@ -131,7 +131,7 @@
             {% else %}
             <tr>
                 <td colspan="9" style="text-align:left;padding:28px;color:var(--muted);">
-                    No players yet — add the first event from the admin page.
+                    No players yet.
                 </td>
             </tr>
             {% endfor %}