Revert "add Darwin's flavor of lsof"

This reverts commit 7024b4dc62c8f212150f791bf94ff3202bd7c4e2. It
breaks evaluation (possibly related to earlier reverts):

http://hydra.nixos.org/build/24887643

pkgs/development/tools/misc/lsof/default.nix

···
     cp lsof $out/bin
   '';
 
-  isBroken = stdenv.isDarwin;
-
   meta = {
     homepage = ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/;
     description = "A tool to list open files";

pkgs/os-specific/darwin/apple-source-releases/default.nix

···
     Libsystem       = applePackage "Libsystem"         "1197.1.1"    "1yfj2qdrf9vrzs7p9m4wlb7zzxcrim1gw43x4lvz4qydpp5kg2rh" {};
     libutil         = applePackage "libutil"           "38"          "12gsvmj342n5d81kqwba68bmz3zf2757442g1sz2y5xmcapa3g5f" {};
     libunwind       = applePackage "libunwind"         "35.3"        "0miffaa41cv0lzf8az5k1j1ng8jvqvxcr4qrlkf3xyj479arbk1b" {};
-    lsof            = applePackage "lsof"              "53"          "0ylzds2rhq5v8rddh0dgpcndsp9n3slfp30wsbl5fmsch7a5356j" {};
     mDNSResponder   = applePackage "mDNSResponder"     "522.92.1"    "1cp87qda1s7brriv413i71yggm8yqfwv64vknrnqv24fcb8hzbmy" {};
     objc4           = applePackage "objc4"             "551.1"       "1jrdb6yyb5jwwj27c1r0nr2y2ihqjln8ynj61mpkvp144c1cm5bg" {};
     objc4_pure      = applePackage "objc4/pure.nix"    "551.1"       "1jrdb6yyb5jwwj27c1r0nr2y2ihqjln8ynj61mpkvp144c1cm5bg" {};

pkgs/os-specific/darwin/apple-source-releases/lsof/default.nix

···
-{ stdenv, appleDerivation, ncurses }:
-
-appleDerivation {
-  buildInputs = [ ncurses ];
-
-  postUnpack = ''
-    sourceRoot="$sourceRoot/lsof"
-  '';
-
-  prePatch = ''
-    mv Configure configure
-    substituteInPlace configure \
-      --replace '`which make`' "$(type -P make)" \
-      --replace /usr/include "${stdenv.libc}/include" \
-      --replace -lcurses -lncurses
-  '';
-
-  dontAddPrefix = true;
-
-  configureFlags = [ "-n" "darwin" ];
-
-  installPhase = ''
-    mkdir -p $out/bin $out/man/man8
-    cp lsof.8 $out/man/man8/
-    cp lsof $out/bin
-  '';
-}

pkgs/top-level/all-packages.nix

···
 
   libtool_2 = callPackage ../development/tools/misc/libtool/libtool2.nix { };
 
-  lsof = if stdenv.isDarwin
-    then darwin.lsof
-    else callPackage ../development/tools/misc/lsof { };
+  lsof = callPackage ../development/tools/misc/lsof { };
 
   ltrace = callPackage ../development/tools/misc/ltrace { };