haskellPackages.webkit: remove override for broken package

webkitgtk24x-gtk2 has been removed, but webkit doesn't compile anymore
these days, so we can save us maintaining this override. The “correct”
override would be webkitgtk (webkit is an alias form webkitgtk atm,
maybe we should introduce a libNixName thing in cabal2nix for this?)
if webkit compiled with modern dependencies…

Changed files
-3
pkgs
development
haskell-modules
-3
pkgs/development/haskell-modules/configuration-nix.nix
···
# Add necessary reference to gtk3 package
gi-dbusmenugtk3 = addPkgconfigDepend super.gi-dbusmenugtk3 pkgs.gtk3;
-
# Need WebkitGTK, not just webkit.
-
webkit = super.webkit.override { webkit = pkgs.webkitgtk24x-gtk2; };
-
hs-mesos = overrideCabal super.hs-mesos (drv: {
# Pass _only_ mesos; the correct protobuf is propagated.
extraLibraries = [ pkgs.mesos ];