Remove duplicate unit test (#71488)

test_dict_undefined_values is a duplicate of test_dict_undefined_values_is_defined.
It seems originally test_dict_undefined_values was supposed
to do what test_dict_undefined_values_bare does so it is safe to remove.

test/units/playbook/test_conditional.py

@@ -87,19 +87,6 @@ class TestConditional(unittest.TestCase):
         ret = self._eval_con(when, variables)
         self.assertTrue(ret)
 
-    def test_dict_undefined_values(self):
-        variables = {'dict_value': 1,
-                     'some_defined_dict_with_undefined_values': {'key1': 'value1',
-                                                                 'key2': '{{ dict_value }}',
-                                                                 'key3': '{{ undefined_dict_value }}'
-                                                                 }}
-
-        when = [u"some_defined_dict_with_undefined_values is defined"]
-        self.assertRaisesRegexp(errors.AnsibleError,
-                                "The conditional check 'some_defined_dict_with_undefined_values is defined' failed.",
-                                self._eval_con,
-                                when, variables)
-
     def test_nested_hostvars_undefined_values(self):
         variables = {'dict_value': 1,
                      'hostvars': {'host1': {'key1': 'value1',