* setup.sh: removed some obsolete features, specifically some that were only used by the old build farm. * addToSearchPath: removed some parameters that weren't used anywhere. svn path=/nixpkgs/branches/stdenv-updates/; revision=15136
svn path=/nixpkgs/branches/stdenv-updates-merge/; revision=10835
with Perl 5.8. svn path=/nixpkgs/branches/stdenv-updates-merge/; revision=10834