Remove Discord server link

Author: TotallyMehis

_includes/top.njk

@@ -11,7 +11,7 @@
             <a class="nav-link inf-main-nav" href="/guide/">Guide</a>
         </li>
         <li class="nav-item">
-            <a class="nav-link inf-main-nav" target="_blank" href="https://discord.gg/Mc5VDQT">Discord</a>
+            <span class="nav-link disabled inf-main-nav" title="No more Discord server, RIP.">Discord</span>
         </li>
     </ul>
 </nav>