Remove hosting referrer links in the portal page footer

Author: xuri

templates/footer.html

@@ -3,7 +3,7 @@
   <div class="container">
     <div class="content has-text-centered">
       <p>
-        <strong>Rust Report Card</strong> by <a href="https://github.com/xuri" target="_blank" rel="noreferrer">xuri</a>. Hosting on the <a href="https://linode.gvw92c.net/xuri" target="_blank" rel="noreferrer">Linode</a>.
+        <strong>Rust Report Card</strong> by <a href="https://github.com/xuri" target="_blank" rel="noreferrer">xuri</a>.
       </p>
       <p>
         Copyright &copy; 2021 - <script> document.write((new Date()).getFullYear()); </script> All rights reserved.