Remove unused file

nixos/modules/installer/cd-dvd/live-dvd.nix

@@ -1,78 +0,0 @@
-{ config, pkgs, ... }:
-
-{
-  imports = [ ./installation-cd-base.nix ];
-
-  # Build the build-time dependencies of this configuration on the DVD
-  # to speed up installation.
-  isoImage.storeContents = [ config.system.build.toplevel.drvPath ];
-
-  # Include lots of packages.
-  environment.systemPackages =
-    [ pkgs.utillinuxCurses
-      pkgs.upstartJobControl
-      pkgs.iproute
-      pkgs.bc
-      pkgs.fuse
-      pkgs.zsh
-      pkgs.sqlite
-      pkgs.gnupg
-      pkgs.manpages
-      pkgs.pinentry
-      pkgs.screen
-      pkgs.patch
-      pkgs.which
-      pkgs.diffutils
-      pkgs.file
-      pkgs.irssi
-      pkgs.mcabber
-      pkgs.mutt
-      pkgs.emacs
-      pkgs.vimHugeX
-      pkgs.bvi
-      pkgs.ddrescue
-      pkgs.cdrkit
-      pkgs.btrfsProgs
-      pkgs.xfsprogs
-      pkgs.jfsutils
-      pkgs.jfsrec
-      pkgs.ntfs3g
-      pkgs.subversion16
-      pkgs.monotone
-      pkgs.git
-      pkgs.darcs
-      pkgs.mercurial
-      pkgs.bazaar
-      pkgs.cvs
-      pkgs.pciutils
-      pkgs.hddtemp
-      pkgs.sdparm
-      pkgs.hdparm
-      pkgs.usbutils
-      pkgs.openssh
-      pkgs.lftp
-      pkgs.w3m
-      pkgs.openssl
-      pkgs.ncat
-      pkgs.lynx
-      pkgs.wget
-      pkgs.elinks
-      pkgs.socat
-      pkgs.squid
-      pkgs.unrar
-      pkgs.zip
-      pkgs.unzip
-      pkgs.lzma
-      pkgs.cabextract
-      pkgs.cpio
-      pkgs.lsof
-      pkgs.ltrace
-      pkgs.perl
-      pkgs.python
-      pkgs.ruby
-      pkgs.guile
-      pkgs.clisp
-      pkgs.tcl
-    ];
-
-}