[Zope-Coders] removing more Zope decoys

[Guido van Rossum]

> Move ts_regex.py to StructuredText package, as it is the only use of
> it.

Moreover, it is only used in the submodule ClassicStructuredText, of
which I cannot discern any uses.  Can it go too?

--Guido van Rossum (home page: http://www.python.org/~guido/)