update sponsor of website

Author: rogerwang

templates/partials/footer.hbs

@@ -18,7 +18,6 @@
     </div>
     <div class="bottom">
         <div class="left">Copyright &copy; 2015-2024 NW.js community</div>
-        <div class="right">Web hosting sponsored by <a href="https://www.privateinternetaccess.com/">PIA</a></div>
     </div>
 </footer>
 {{> ga}}