Remove unused config.CONF

This is to remove unused config.CONF to keep code clean.

Change-Id: I6e8d19ec06e7df84b2bbd86dd3b99b4489402ddd

cinder/tests/tempest/api/volume/test_volume_placeholder.py

@@ -13,11 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest import config
 from tempest.tests import base
 
-CONF = config.CONF
-
 
 class CinderPlaceholderTest(base.TestCase):
     """Placeholder test for adding in-tree Cinder tempest tests."""

cinder/tests/tempest/api/volume/test_volume_unicode.py

@@ -17,9 +17,6 @@
 from tempest.api.volume import base as volume_base
 from tempest.common.utils import data_utils
 from tempest.common import waiters
-from tempest import config
-
-CONF = config.CONF
 
 
 class CinderUnicodeTest(volume_base.BaseVolumeTest):