This reverts commit 58fdf34296, because it
wasn't actually very fitting for nixpkgs in general, so let's wait for
the upcoming upstream release to address this.
Details can be found at:
https://github.com/NixOS/nixpkgs/commit/58fdf34#commitcomment-4231461
Thanks to @iElectric for the notice.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>