elasticsearch-curator: move out of python-packages

Upstream froze click to <7, which means it will only
work with overrides, which means it can't compose
with other python modules.

pkgs/development/python-modules/elasticsearch-curator/default.nix

@@ -1,73 +0,0 @@
-{ stdenv
-, buildPythonPackage
-, fetchPypi
-, boto3
-, click
-, certifi
-, requests-aws4auth
-, voluptuous
-, pyyaml
-, elasticsearch
-, nosexcover
-, coverage
-, nose
-, mock
-, funcsigs
-} :
-
-buildPythonPackage rec {
-  pname   = "elasticsearch-curator";
-  version = "5.8.1";
-
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "f0eec9ad043a30bc2e2232637111960139a1bda38232241bdd2f0c253a3584df";
-  };
-
-  # The test hangs so we disable it.
-  doCheck = false;
-
-  propagatedBuildInputs = [
-    click
-    certifi
-    requests-aws4auth
-    voluptuous
-    pyyaml
-    elasticsearch
-    boto3
-  ];
-
-  checkInputs = [
-    nosexcover
-    coverage
-    nose
-    mock
-    funcsigs
-  ];
-
-  postPatch = ''
-    sed -i s/pyyaml==3.12/pyyaml==${pyyaml.version}/ setup.cfg setup.py
-  '';
-
-  meta = with stdenv.lib; {
-    homepage = https://github.com/elastic/curator;
-    description = "Curate, or manage, your Elasticsearch indices and snapshots";
-    license = licenses.asl20;
-    longDescription = ''
-      Elasticsearch Curator helps you curate, or manage, your Elasticsearch
-      indices and snapshots by:
-
-      * Obtaining the full list of indices (or snapshots) from the cluster, as the
-        actionable list
-
-      * Iterate through a list of user-defined filters to progressively remove
-        indices (or snapshots) from this actionable list as needed.
-
-      * Perform various actions on the items which remain in the actionable list.
-    '';
-    maintainers = with maintainers; [ basvandijk ];
-
-    # https://github.com/elastic/curator/pull/1280
-    broken = versionAtLeast click.version "7.0";
-  };
-}