cabal-install: version 3.x is out officially

pkgs/development/haskell-modules/non-hackage-packages.nix

@@ -13,43 +13,4 @@ self: super: {
   # https://github.com/channable/vaultenv/issues/1
   vaultenv = self.callPackage ../tools/haskell/vaultenv { };
 
-  cabal-install-3 = (self.callPackage
-    ({ mkDerivation, array, async, base, base16-bytestring, binary
-     , bytestring, Cabal, containers, cryptohash-sha256, deepseq
-     , directory, echo, edit-distance, filepath, hackage-security
-     , hashable, HTTP, mtl, network, network-uri, parsec, pretty
-     , process, random, resolv, stdenv, stm, tar, text, time, unix, zlib
-     , fetchFromGitHub
-     }:
-     mkDerivation {
-       pname = "cabal-install";
-       version = "3.0.0.0";
-       src = fetchFromGitHub {
-         owner = "haskell";
-         repo = "cabal";
-         rev = "b0e52fa173573705e861b129d9675e59de891e46";
-         sha256 = "1fbph6crsn9ji8ps1k8dsxvgqn38rp4ffvv6nia1y7rbrdv90ass";
-       };
-       postUnpack = "sourceRoot+=/cabal-install";
-       isLibrary = false;
-       isExecutable = true;
-       setupHaskellDepends = [ base Cabal filepath process ];
-       executableHaskellDepends = [
-         array async base base16-bytestring binary bytestring Cabal
-         containers cryptohash-sha256 deepseq directory echo edit-distance
-         filepath hackage-security hashable HTTP mtl network network-uri
-         parsec pretty process random resolv stm tar text time unix zlib
-       ];
-       doCheck = false;
-       postInstall = ''
-         mkdir $out/etc
-         mv bash-completion $out/etc/bash_completion.d
-       '';
-       homepage = "http://www.haskell.org/cabal/";
-       description = "The command-line interface for Cabal and Hackage";
-       license = stdenv.lib.licenses.bsd3;
-     }) {}).overrideScope (self: super: {
-       Cabal = self.Cabal_3_0_0_0;
-     });
-
 }