removed unused log

Change-Id: Ia6530f0e221925717c3a6745064d2fa2cb9bcc64

vitrageclient/common/utils.py

@@ -11,11 +11,8 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
-from oslo_log import log
 from oslo_utils import importutils
 
-LOG = log.getLogger(__name__)
-
 
 def import_versioned_module(version, submodule=None):
     module = 'vitrageclient.v%s' % version