remove bittorrent package since it's obsolete

doc/quick-start.xml

@@ -92,17 +92,6 @@ $ git add pkgs/development/libraries/libfoo/default.nix</screen>
           hackery.</para>
         </listitem>
 
-        <listitem>
-          <para>BitTorrent (wxPython-based): <link
-          xlink:href="https://github.com/NixOS/nixpkgs/blob/master/pkgs/tools/networking/p2p/bittorrent/default.nix"><filename>pkgs/tools/networking/p2p/bittorrent/default.nix</filename></link>.
-          Uses an external <link
-          xlink:href="https://github.com/NixOS/nixpkgs/blob/master/pkgs/tools/networking/p2p/bittorrent/builder.sh">build
-          script</link>, which can be useful if you have lots of code
-          that you don’t want cluttering up the Nix expression.  But
-          external builders are mostly obsolete.
-          </para>
-        </listitem>
-
         <listitem>
           <para>Thunderbird: <link
           xlink:href="https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/networking/mailreaders/thunderbird/default.nix"><filename>pkgs/applications/networking/mailreaders/thunderbird/default.nix</filename></link>.

nixos/tests/bittorrent.nix

@@ -28,7 +28,7 @@ in
   nodes =
     { tracker =
         { config, pkgs, ... }:
-        { environment.systemPackages = [ pkgs.transmission pkgs.bittorrent ];
+        { environment.systemPackages = [ pkgs.transmission ];
 
           # We need Apache on the tracker to serve the torrents.
           services.httpd.enable = true;

pkgs/tools/networking/p2p/bittorrent/builder.sh

@@ -1,27 +0,0 @@
-source $stdenv/setup
-
-
-# Workaround for:
-#  File "...-python-2.4.4/lib/python2.4/posixpath.py", line 62, in join
-#    elif path == '' or path.endswith('/'):
-# AttributeError: 'NoneType' object has no attribute 'endswith'
-export HOME=$TMP
-
-
-buildPhase() {
-    python setup.py build
-}
-
-
-installPhase() {
-    python setup.py install --prefix=$out
-
-    # Create wrappers that set the environment correctly.
-    for i in $(cd $out/bin && ls); do
-        wrapProgram $out/bin/$i \
-            --set PYTHONPATH "$(toPythonPath $out):$PYTHONPATH"
-    done
-}
-
-
-genericBuild

pkgs/tools/networking/p2p/bittorrent/default.nix

@@ -1,24 +0,0 @@
-{ gui ? false
-, stdenv, fetchurl, makeWrapper
-, python, wxPython ? null, pycrypto, twisted
-}:
-
-assert gui -> wxPython != null;
-
-stdenv.mkDerivation {
-  name = "bittorrent-5.2.2";
-  
-  builder = ./builder.sh;
-  
-  src = fetchurl {
-    url = http://download.bittorrent.com/dl/archive/BitTorrent-5.2.2.tar.gz;
-    sha256 = "05k803hbwsyn51j4aibzdsnqxz24kw4rvr60v2c0wji8gcvy3kx9";
-  };
-  
-  buildInputs = [ python pycrypto twisted makeWrapper ]
-    ++ stdenv.lib.optional gui wxPython;
-
-  meta = {
-    description = "The original client for the BitTorrent peer-to-peer file sharing protocol";
-  };
-}

pkgs/top-level/release.nix

@@ -64,7 +64,6 @@ let
       binutils = linux;
       bind = linux;
       bitlbee = linux;
-      bittorrent = linux;
       blender = linux;
       bsdiff = all;
       btrfsProgs = linux;