Replace selected setup.sh system test files

Replace selected setup.sh system test files

These setup.sh scripts only do templating and copying files. Both of
these can be replaced with either jinja templates, or using plain files.
Since each test invocation creates its own temporary directory, copying
files to ensure a "clean" state is no longer necessary.

In cases where named writes some content to the files, a jinja template
can be used instead of a plain file to avoid an artifact check which
would detect a change to a git-tracked file.

(cherry picked from commit e0f0c557a0b305a83967a0e75c9f955f410a2cc9)