After reading XeTeX can't find font I executed
sudo cp $(kpsewhich --var-value TEXMFSYSVAR)/fonts/conf/texlive-fontconfig.conf /etc/fonts/conf.d/09-texlive.conf sudo fc-cache -fsv
I am now trying out MathJax and I find that I need to remove the TeX fonts that were made system-wide so that I can test meaningfully. Is there any way to reverse the above process using the CLI?
FYI, I am on a Ubuntu 11.10 64-bit system running TeX Live 2011.