python.pkgs.kombu_3: remove expr

- two versions available
- this is the older version
- unused

pkgs/top-level/python-packages.nix

@@ -9850,33 +9850,6 @@ in {
 
   koji = callPackage ../development/python-modules/koji { };
 
-  kombu_3 = buildPythonPackage rec {
-    name = "kombu-${version}";
-    version = "3.0.35";
-
-    disabled = pythonOlder "2.6";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/k/kombu/${name}.tar.gz";
-      sha256 = "09xpxpjz9nk8d14dj361dqdwyjwda3jlf1a7v6jif9wn2xm37ar2";
-    };
-
-    # most of these are simply to allow the test suite to do its job
-    buildInputs = with self; optionals isPy27 [ mock unittest2 nose redis qpid-python pymongo sqlalchemy pyyaml msgpack boto ];
-
-    propagatedBuildInputs = with self; [ amqp_1 anyjson ] ++
-      (optionals (pythonOlder "2.7") [ importlib ordereddict ]);
-
-    # tests broken on python 2.6? https://github.com/nose-devs/nose/issues/806
-    doCheck = isPy27;
-
-    meta = {
-      description = "Messaging library for Python";
-      homepage    = "http://github.com/celery/kombu";
-      license     = licenses.bsd3;
-    };
-  };
-
   kombu = buildPythonPackage rec {
     name = "kombu-${version}";
     version = "4.0.2";