radius: remove dead package

Broken since 2013. Untouched since its addition in 2010 (final
release was in 2008). Mailing list abandoned by upstream.

pkgs/servers/radius/default.nix

@@ -1,35 +0,0 @@
-{ fetchurl, stdenv, m4, groff, readline }:
-
-stdenv.mkDerivation rec {
-  name = "radius-1.6.1";
-
-  src = fetchurl {
-    url = "mirror://gnu/radius/${name}.tar.gz";
-    sha256 = "1l4k17zkbjsmk8mqrjjymagq8a8kwgrain9mcb5zp8jaf1qbclrh";
-  };
-
-  buildInputs = [ m4 groff readline ] ;
-
-  doCheck = true;
-
-  meta = {
-    description = "GNU Radius remote authentication and accounting system";
-
-    longDescription =
-      '' Radius is a server for remote user authentication and
-         accounting.  Its primary use is for Internet Service
-         Providers, though it may as well be used on any network that
-         needs a centralized authentication and/or accounting service
-         for its workstations.  The package includes an authentication
-         and accounting server and administrator tools.
-      '';
-
-    homepage = http://www.gnu.org/software/radius/;
-    license = stdenv.lib.licenses.gpl3Plus;
-
-    maintainers = [ stdenv.lib.maintainers.bjg ];
-    platforms = stdenv.lib.platforms.all;
-
-    broken = true;
-  };
-}

pkgs/top-level/all-packages.nix

@@ -9489,8 +9489,6 @@ let
     inherit (darwin.apple_sdk.frameworks) AppKit Carbon Cocoa;
   };
 
-  radius = callPackage ../servers/radius { };
-
   redis = callPackage ../servers/nosql/redis { };
 
   redstore = callPackage ../servers/http/redstore { };