[Chapel Merge] Move chpl2pdf to highlight/latex directory

Branch: refs/heads/master
Revision: 80dd82a
Author: mppf
Log Message:

Merge pull request #16632 from mppf/move-chpl2pdf

Move chpl2pdf to highlight/latex directory

Follow-up to PR #16627

Implements a change suggested by @bradcray .
Trivial and not reviewed.

Modified Files:
A highlight/latex/chpl2pdf
R util/misc/chpl2pdf

Compare: https://github.com/chapel-lang/chapel/compare/ce0da597a419...80dd82ae187b