tests/test-gendoc-sv.t

hgweb: remove one-off routing for file?style=raw

Now that both functions are using the same API, we can unify how
the command is called and perform command-specific behavior in the
command itself instead of in the high-level router.

Differential Revision: https://phab.mercurial-scm.org/D2788

#require docutils gettext

  $ $TESTDIR/check-gendoc sv
  checking for parse errors