kde-3: Remove

KDE 3 hasn't built in a long time.  Also remove six, the only package
with a dependency on KDE 3.

pkgs/games/six/default.nix

@@ -1,35 +0,0 @@
-{ stdenv, fetchurl, arts, kdelibs, libX11, libXext, libXt, perl, qt3, zlib }:
-
-let
-
-    versionNumber = "0.5.3";
-
-in
-
-stdenv.mkDerivation {
-
-  name = "six-${versionNumber}";
-
-  src = fetchurl {
-    url = "http://six.retes.hu/download/six-${versionNumber}.tar.gz";
-    sha256 = "0hialm0kxr11rp5z452whjmxp2vaqqj668d0dfs32fd10ggi8wj4";
-  };
-
-  meta = {
-    description = "Six - A Hex playing program for KDE";
-    homepage = http://six.retes.hu/;
-    license = "GPLv2";
-    platforms = stdenv.lib.platforms.linux;
-  };
-
-  buildInputs = [ arts kdelibs libX11 libXext libXt perl qt3 zlib ];
-
-  # Supress some warnings which are less useful to us when making packages.
-  NIX_CFLAGS_COMPILE = "-Wno-conversion -Wno-parentheses";
-
-  # Without "--x-libraries=", we get the error
-  # "impure path `/usr/lib' used in link".
-  configureFlags = "--x-libraries=";
-
-  patches = [ ./gcc43-includes.patch ];
-}

pkgs/games/six/gcc43-includes.patch

@@ -1,38 +0,0 @@
-This patch makes six compile with gcc 4.3 by including more header files.  It
-is based on the advice at <http://gcc.gnu.org/gcc-4.3/porting_to.html>.
-
---- a/six/carrier.h
-+++ b/six/carrier.h
-@@ -2,6 +2,7 @@
- #ifndef CARRIER_H
- #define CARRIER_H
-
-+#include <cstring>
- #include <iostream>
- #include <vector>
-
-diff --git a/six/hexgame.cpp b/six/hexgame.cpp
-index 720e977..5d0dafe 100644
---- a/six/hexgame.cpp
-+++ b/six/hexgame.cpp
-@@ -3,6 +3,7 @@
- #include <cassert>
- #include <cctype>
- #include <cstdio>
-+#include <cstdlib>
-
- #include <string>
-
-diff --git a/six/main.cpp b/six/main.cpp
-index 7fb5c21..b925a0c 100644
---- a/six/main.cpp
-+++ b/six/main.cpp
-@@ -4,6 +4,8 @@
- #include "carrier.h"
- #include "misc.h"
-
-+#include <cstdlib>
-+
- #include <kapp.h>
- #include <dcopclient.h>
- #include <kaboutdata.h>