Remove 'localmod.tex' from repo

Removing 'localmod.tex' from the repository will make it easier to
modify locally.
Revert "Try out bitstream fonts for a while"

This reverts commit e7c3d6a91bd16a4fcb3abb20735dcbcc28b28c83.

Conflicts:
	tex/preamble.tex
Merge branch 'master' into lists

Conflicts:
	core_econometrics.tex