libcm: remove

umaintained, broken and not used for 10 years

pkgs/development/libraries/libcm/default.nix

@@ -1,15 +0,0 @@
-{stdenv, fetchurl, pkgconfig, glib, xorg, mesa}:
-
-stdenv.mkDerivation {
-  name = "libcm-0.1.1";
-  src = fetchurl {
-    url = mirror://gnome/sources/libcm/0.1/libcm-0.1.1.tar.bz2;
-    sha256 = "11i5z8l5v5ffihif35k5j8igj0rahsk4jdmsj24xhdw2s0zx53kn";
-  };
-  buildInputs = [
-    pkgconfig glib xorg.xlibsWrapper xorg.libXdamage xorg.libXcomposite
-    xorg.libXtst xorg.inputproto
-    # !!! inputproto should really be propagated by libXtst
-  ];
-  propagatedBuildInputs = [mesa];
-}

pkgs/top-level/all-packages.nix

@@ -8022,8 +8022,6 @@ with pkgs;
 
   libclxclient = callPackage ../development/libraries/libclxclient  { };
 
-  libcm = callPackage ../development/libraries/libcm { };
-
   libconfuse = callPackage ../development/libraries/libconfuse { };
 
   inherit (gnome3) libcroco;