haskellPackages.websnap: webkit dependency is a haskell dependency

websnap actually depends on the haskell webkit package (which is
broken), so this override introducing a dependency on a removed package
is actually incorrect and can be removed.

Changed files
-1
pkgs
development
haskell-modules
-1
pkgs/development/haskell-modules/configuration-nix.nix
···
# Need WebkitGTK, not just webkit.
webkit = super.webkit.override { webkit = pkgs.webkitgtk24x-gtk2; };
-
websnap = super.websnap.override { webkit = pkgs.webkitgtk24x-gtk3; };
hs-mesos = overrideCabal super.hs-mesos (drv: {
# Pass _only_ mesos; the correct protobuf is propagated.