suzerain: exclude bar_ke post-r43126

I failed to update the gold solution files when after
I'd added gathering of /bar_ke.  This adds the
exclude argument.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43332 0bd85f0b-c151-43b9-a1e9-27231104551f