suzerain: fix seemingly benign commas

Man am I glad these didn't sink me.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@45307 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: naming consistency

Use local names in this lower block matching usage from the
upper block.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@45308 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: use single pack/unpack tactic

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@45309 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: #3114 #3109 drop rhome_y NRBC order

See background in Redmine #3114.  The higher order NRBC for rhome_y
handled partially implicitly and partially explicitly is seemingly
ill-posed.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@45310 0bd85f0b-c151-43b9-a1e9-27231104551f