suzerain: tweak default rho1, p1

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43152 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: #3020 remove nozzle_baseflow.m

The optimizer is no longer necessary given recent
algebraic work.  Remove it.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43153 0bd85f0b-c151-43b9-a1e9-27231104551f