www/mathjax please commit update to 2.7.0

[Marko Cupać]

Hi,

any pretty vacant* committers out there willing to commit trivial diffs
needed to update mathjax to 2.7.0?

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214841

Thank you in advance,

*reference to song by sex pistols :)
-- 
Before enlightenment - chop wood, draw water.
After  enlightenment - chop wood, draw water.

Marko Cupać
https://www.mimar.rs/