BSD: remove netlib quadrature
BSD: remove netlib quadrature

Removed netlib gauss-legendre quadrature generator.
This has not been used in some time--I think it was
used in my Sn solver which I removed from the git
history as part of the 'Simplify' label of commits.
When I need GL quadrature, I can now use my routine
which uses the numpy GL quadrature generator.

zat1gi/stochastic,zat1gi/stochastic,zat1gi/stochastic,zat1gi/stochastic