trying to fix mathjax

mkdocs.yml

@@ -32,7 +32,7 @@ markdown_extensions:
   - pymdownx.details
 
 extra_javascript:
-  - 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.3/MathJax.js?config=TeX-AMS_HTML'
   - 'https://cdn.plot.ly/plotly-latest.min.js'
+  - 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.3/MathJax.js?config=TeX-AMS_HTML'
   - 'scripts/mathjaxhelper.js'
 copyright: "Copyright © 2017-2018 Delft University of Technology, CC-BY-SA-NC 4.0."

src/scripts/mathjaxhelper.js

-MathJax.Hub.Config({
-  "tex2jax": { inlineMath: [ [ '$', '$' ] ], displayMath: [ [ '$$', '$$' ] ] }
-});
 MathJax.Hub.Config({
   config: ["MMLorHTML.js"],
   jax: ["input/TeX", "output/HTML-CSS", "output/NativeMML"],