python3Packages.demjson: drop

Using the `use_2to3` flag in setuptools, which was removed in version
58. Also unmaintained since 2015.

pkgs/development/python-modules/demjson/default.nix

@@ -1,34 +0,0 @@
-{ lib
-, python
-, buildPythonPackage
-, fetchPypi
-, isPy3k
-}:
-
-buildPythonPackage rec {
-  pname = "demjson";
-  version = "2.2.4";
-  format = "setuptools";
-
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "0ygbddpnvp5lby6mr5kz60la3hkvwwzv3wwb3z0w9ngxl0w21pii";
-  };
-
-  doCheck = !(isPy3k);
-
-  checkPhase = ''
-    ${python.interpreter} test/test_demjson.py
-  '';
-
-  pythonImportsCheck = [
-    "demjson"
-  ];
-
-  meta = with lib; {
-    description = "Encoder/decoder and lint/validator for JSON (JavaScript Object Notation)";
-    homepage = "https://github.com/dmeranda/demjson";
-    license = licenses.lgpl3Plus;
-    maintainers = with maintainers; [ bjornfor ];
-  };
-}

pkgs/top-level/python-aliases.nix

@@ -42,6 +42,7 @@ mapAliases ({
   ConfigArgParse = configargparse; # added 2021-03-18
   cozy = throw "cozy was removed because it was not actually https://pypi.org/project/Cozy/."; # added 2022-01-14
   dateutil = python-dateutil; # added 2021-07-03
+  demjson = throw "demjson has been removed, it was using setuptools 2to3 translation feature, which has been removed in setuptools 58"; # added 2022-01-18
   detox = throw "detox is no longer maintained, and was broken since may 2019"; # added 2020-07-04
   dftfit = throw "dftfit dependency lammps-cython no longer builds"; # added 2021-07-04
   diff_cover = diff-cover; # added 2021-07-02

pkgs/top-level/python-packages.nix

@@ -2078,8 +2078,6 @@ in {
 
   deluge-client = callPackage ../development/python-modules/deluge-client { };
 
-  demjson = callPackage ../development/python-modules/demjson { };
-
   demjson3 = callPackage ../development/python-modules/demjson3 { };
 
   dendropy = callPackage ../development/python-modules/dendropy { };