gfm: drop

It does not appear to have an attribute that references it anymore?
(Not sure though, that name's hard to grep for)

pkgs/applications/science/math/gfm/default.nix

@@ -1,55 +0,0 @@
-{ stdenv
-, lib
-, fetchurl
-, fetchpatch
-, pkg-config
-, autoreconfHook
-, gnome2
-, gtk2
-, glib
-, libtifiles2
-, libticables2
-, libticalcs2
-, libticonv
-}:
-
-stdenv.mkDerivation rec {
-  pname = "gfm";
-  version = "1.08";
-  src = fetchurl {
-    url = "mirror://sourceforge/tilp/${pname}-${version}.tar.bz2";
-    sha256 = "0zq1a9mm54zr18dz2mqh79w1a126xwqz6dcrpjlbd1pnmg01l0q9";
-  };
-
-  patches = fetchpatch {
-    name = "remove-broken-kde-support.patch";
-    url = "https://aur.archlinux.org/cgit/aur.git/plain/remove-broken-kde-support.patch?h=gfm";
-    sha256 = "03yc8s2avicmv04f2ygg3r3q8l7kpsc94mhp6clp584kmjpjqag5";
-  };
-
-  nativeBuildInputs = [
-    autoreconfHook
-    pkg-config
-  ];
-
-  buildInputs = [
-    gtk2
-    gnome2.libglade
-    glib
-    libtifiles2
-    libticables2
-    libticalcs2
-    libticonv
-  ];
-
-  NIX_CFLAGS_COMPILE = "-I${libticables2}/include/tilp2";
-
-  meta = with lib; {
-    changelog = "http://lpg.ticalc.org/prj_tilp/news.html";
-    description = "Group File Manager (GFM) allows manipulation of single/group/tigroup files";
-    homepage = "http://lpg.ticalc.org/prj_gfm/index.html";
-    license = licenses.gpl2Plus;
-    maintainers = with maintainers; [ siraben luc65r ];
-    platforms = with platforms; linux ++ darwin;
-  };
-}

pkgs/top-level/aliases.nix

@@ -315,6 +315,7 @@ mapAliases ({
   gdk_pixbuf = gdk-pixbuf; # added 2019-05-22
   gettextWithExpat = gettext; # 2016-02-19
   getmail = throw "getmail has been removed from nixpkgs, migrate to getmail6."; # added 2022-01-12
+  gfm = throw "gfm has been removed"; # 2021-01-15
   giflib_4_1 = throw "giflib_4_1 has been removed; use giflib instead"; # 2020-02-12
   git-bz = throw "giz-bz has been removed from nixpkgs as it is stuck on python2."; # added 2022-01-01
   gitAndTools = self // { # added 2021-01-14

pkgs/top-level/all-packages.nix

@@ -16859,8 +16859,6 @@ with pkgs;
 
   gflags = callPackage ../development/libraries/gflags { };
 
-  gfm = callPackage ../applications/science/math/gfm { };
-
   gperftools = callPackage ../development/libraries/gperftools { };
 
   grab-site = callPackage ../tools/backup/grab-site { };