ctex template files: reduce to one file, fix broken language package settings
(file still contains outdated info and unnecessary preamble code and creates several LaTeX errors about wrong lengths but can be fixed later)
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40264 a592a061-630c-0410-9148-cb99ea01b6c8