trying to get rid of polyfill

Author: alexpohl

_includes/scripts/mathjax.html

@@ -8,5 +8,5 @@
   };
 </script>
 <script defer type="text/javascript" id="MathJax-script" src="https://cdn.jsdelivr.net/npm/mathjax@{{ site.mathjax.version }}/es5/tex-mml-chtml.js"></script>
-<script defer src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
+#<script defer src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
 {% endif %}