python2Packages.cffi: drop

pkgs/development/python2-modules/cffi/default.nix

@@ -1,52 +0,0 @@
-{
-  lib,
-  stdenv,
-  cffi,
-}:
-
-if cffi == null then
-  null
-else
-  cffi.overridePythonAttrs {
-    disabledTests = lib.optionals stdenv.hostPlatform.isDarwin [
-      # cannot load library 'c'
-      "test_FILE"
-      "test_FILE_object"
-      "test_FILE_only_for_FILE_arg"
-      "test_load_and_call_function"
-      "test_load_library"
-
-      # cannot load library 'dl'
-      "test_dlopen_handle"
-
-      # cannot load library 'm'
-      "test_dir_on_dlopen_lib"
-      "test_dlclose"
-      "test_dlopen"
-      "test_dlopen_constant"
-      "test_dlopen_flags"
-      "test_function_typedef"
-      "test_line_continuation_in_defines"
-      "test_missing_function"
-      "test_remove_comments"
-      "test_remove_line_continuation_comments"
-      "test_simple"
-      "test_sin"
-      "test_sinf"
-      "test_stdcall_only_on_windows"
-      "test_wraps_from_stdlib"
-
-      # MemoryError
-      "test_callback_as_function_argument"
-      "test_callback_crash"
-      "test_callback_decorator"
-      "test_callback_large_struct"
-      "test_callback_returning_void"
-      "test_cast_functionptr_and_int"
-      "test_function_pointer"
-      "test_functionptr_intptr_return"
-      "test_functionptr_simple"
-      "test_functionptr_void_return"
-      "test_functionptr_voidptr_return"
-    ];
-  }

pkgs/top-level/python2-packages.nix

@@ -15,7 +15,7 @@ with super;
 
   bootstrapped-pip = toPythonModule (callPackage ../development/python2-modules/bootstrapped-pip { });
 
-  cffi = callPackage ../development/python2-modules/cffi { inherit cffi; };
+  cffi = disabed super.cffi;
 
   configparser = callPackage ../development/python2-modules/configparser { };