Remove pointless HTML validator

_layouts/base.html

@@ -24,7 +24,7 @@
         <div id="container">
             {{ content }}
             <div id="footer">
-                <p>Copyright &copy; 2011&ndash;{{ site.time | date: "%Y" }} Ben&nbsp;Kurtovic &bull; <a href="https://git.benkurtovic.com/ben/benkurtovic.com">View&nbsp;Source</a> &bull; <a href="https://validator.w3.org/check?uri=referer">Valid&nbsp;HTML5</a></p>
+                <p>Copyright &copy; 2011&ndash;{{ site.time | date: "%Y" }} Ben&nbsp;Kurtovic &bull; <a href="https://git.benkurtovic.com/ben/benkurtovic.com">View&nbsp;Source</a></p>
             </div>
         </div>
     </body>