Revert last commit

fadc6db2 · Müller, Felix · 264500c0 · fadc6db2
Commit fadc6db2 authored May 27, 2022 by Müller, Felix
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -237,7 +237,7 @@ FORMULA_FONTSIZE       = 10
 FORMULA_TRANSPARENT    = YES
 USE_MATHJAX            = YES
 MATHJAX_FORMAT         = HTML-CSS
-MATHJAX_RELPATH        = http://cdn.mathjax.org/mathjax/latest
+MATHJAX_RELPATH        = https://cdn.jsdelivr.net/npm/mathjax@2
 MATHJAX_EXTENSIONS     =
 MATHJAX_CODEFILE       =