pkgs: remove 'havm'

Now that the CRI packages it.

pkgs/default.nix

@@ -18,8 +18,6 @@ pkgs.lib.makeScope pkgs.newScope (pkgs: {
 
   ff2mpv-go = pkgs.callPackage ./ff2mpv-go { };
 
-  havm = pkgs.callPackage ./havm { };
-
   i3-get-window-criteria = pkgs.callPackage ./i3-get-window-criteria { };
 
   lohr = pkgs.callPackage ./lohr { };

pkgs/havm/default.nix

@@ -1,34 +0,0 @@
-{ lib, fetchurl, ghc, stdenv, which }:
-stdenv.mkDerivation rec {
-  pname = "havm";
-  version = "0.28";
-
-  src = fetchurl {
-    url = "https://www.lrde.epita.fr/~tiger/download/${pname}-${version}.tar.gz";
-    sha256 = "sha256-FDi4FZ8rjGqRkFlROtcJsv+mks7MmIXQGV4bZrwkQrA=";
-  };
-
-  nativeBuildInputs = [
-    ghc
-  ];
-
-  checkInputs = [
-    which
-  ];
-
-  doCheck = true;
-
-  meta = with lib; {
-    description = "A simple virtual machine to execute Andrew Appel's HIR/LIR";
-    longDescription = ''
-      HAVM is a virtual machine designed to execute simple register based high
-      level intermediate code.  It is based on the intermediate representations
-      ("canonicalized" or not) defined by Andrew Appel in his "Modern Compiler
-      Implementation".
-    '';
-    homepage = "https://www.lrde.epita.fr/wiki/Havm";
-    license = licenses.gpl2Plus;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ ambroisie ];
-  };
-}