python.pkgs.pytest_30: remove unused version

pkgs/development/python-modules/pytest/3_0.nix

···
-{ stdenv, buildPythonPackage, fetchPypi, isPy26, argparse, hypothesis, py
-, setuptools_scm
-}:
-buildPythonPackage rec {
-  version = "3.0.7";
-  pname = "pytest";
-  name = "${pname}-${version}";
-
-  preCheck = ''
-    # don't test bash builtins
-    rm testing/test_argcomplete.py
-  '';
-
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "b70696ebd1a5e6b627e7e3ac1365a4bc60aaf3495e843c1e70448966c5224cab";
-  };
-
-  buildInputs = [ hypothesis setuptools_scm ];
-  propagatedBuildInputs = [ py ]
-    ++ (stdenv.lib.optional isPy26 argparse);
-
-  meta = with stdenv.lib; {
-    maintainers = with maintainers; [ domenkozar lovek323 madjar lsix ];
-    platforms = platforms.unix;
-  };
-}

pkgs/top-level/python-packages.nix

···
 
   pytest_29 = callPackage ../development/python-modules/pytest/2_9.nix {};
 
-  pytest_30 = callPackage ../development/python-modules/pytest/3_0.nix {
-    hypothesis = self.hypothesis.override {
-      # hypothesis requires pytest that causes dependency cycle
-      doCheck = false;
-      pytest = null;
-    };
-  };
-
   pytest_32 = callPackage ../development/python-modules/pytest/3_2.nix{
     hypothesis = self.hypothesis.override {
       # hypothesis requires pytest that causes dependency cycle