[cvs-nhc98] Tidy up the experimental libraries layout, by removing all

malcolm: Tue Oct 30 14:11:42 CET 2001 Update of /usr/src/master/nhc/src/libraries/Galois/Raytracer In directory hinken:/tmp/cvs-serv8183/Galois/Raytracer Removed Files: CSG.hs Illumination.hs Pixmap.hs RayTrace.hs Surface.hs Log Message: Tidy up the experimental libraries layout, by removing all files that will not be in the initial core libraries set.