Remove io.js

Since they're merged with nodejs and nodejs is updated to 4.1

pkgs/development/web/iojs/default.nix

@@ -1,36 +0,0 @@
-{ stdenv, fetchurl, python, utillinux, openssl_1_0_2, http-parser, zlib, libuv }:
-
-let
-  version = "3.1.0";
-  inherit (stdenv.lib) optional maintainers licenses platforms;
-in stdenv.mkDerivation {
-  name = "iojs-${version}";
-
-  src = fetchurl {
-    url = "https://iojs.org/dist/v${version}/iojs-v${version}.tar.gz";
-    sha256 = "15qh5pscg3588hyf4yfhma34gjkg87v5i4xzxj804g6m52m6y727";
-  };
-
-  prePatch = ''
-    sed -e 's|^#!/usr/bin/env python$|#!${python}/bin/python|g' -i configure
-  '';
-
-  configureFlags = [ "--shared-openssl" "--shared-http-parser" "--shared-zlib" "--shared-libuv" ];
-
-  # iojs has --enable-static but no --disable-static. Automatically adding --disable-static
-  # causes configure to fail, so don't add --disable-static.
-  dontDisableStatic = true;
-
-  buildInputs = [ python openssl_1_0_2 http-parser zlib libuv ] ++ (optional stdenv.isLinux utillinux);
-  setupHook = ../nodejs/setup-hook.sh;
-
-  passthru.interpreterName = "iojs";
-
-  meta = {
-    description = "A friendly fork of Node.js with an open governance model";
-    homepage = https://iojs.org/;
-    license = licenses.mit;
-    platforms = platforms.linux;
-    maintainers = [ maintainers.havvy ];
-  };
-}

pkgs/development/web/iojs/update-iojs

@@ -1,50 +0,0 @@
-#!/bin/sh
-#
-# Fetch the latest io.js release (stable/nightly) and update
-# `default.nix` in this directory.
-#
-# Call this from the root of your nixpkgs directory.
-#
-
-set -e
-
-HERE="$(dirname "$0")"
-
-latest() {
-    curl -s "$1" | grep 'href="v' \
-        | tail -1 | sed 's/.*href="v//;s/\/".*//'
-}
-
-latest_log() {
-    echo "Getting latest $1 version from $2" >&2
-    version=$(latest "$2")
-    echo "version -> $version" >&2
-    echo "$version"
-}
-
-url() {
-    nix-instantiate -A "$1" \
-        | xargs cat \
-        | sed 's/.*"urls","//;s/".*//'
-}
-
-hash() {
-    nix-prefetch-url "$1"
-}
-
-hash_log() {
-    echo "Finding hash for $1" >&2
-    value=$(hash "$1")
-    echo "hash -> $value" >&2
-    echo "$value"
-}
-
-stableVersion=$(latest_log stable 'https://iojs.org/dist/')
-stableHash=$(hash_log "$(url iojs.src)")
-
-sed -i \
-    "/version = /s/\"[^\"]*\"/\"$stableVersion\"/" \
-    "$HERE/default.nix"
-sed -i \
-    "/sha256 = /s/\"[^\"]*\"/\"$stableHash\"/" \
-    "$HERE/default.nix"

pkgs/top-level/all-packages.nix

@@ -2031,10 +2031,6 @@ let
   else
     nodePackages_4_1;
 
-  iojs = callPackage ../development/web/iojs { libuv = libuvVersions.v1_6_1; };
-
-  iojsPackages = callPackage ./node-packages.nix { self = iojsPackages; nodejs = iojs; };
-
   npm2nix = nodePackages.npm2nix;
 
   ldapvi = callPackage ../tools/misc/ldapvi { };