remove unused LOG

This is to remove unused LOG to keep code clean.

Change-Id: I60706c20fff4c82761be21cf2487c03a69160c41

neutronclient/common/clientmanager.py

@@ -17,17 +17,12 @@
 """Manage access to the clients, including authenticating when needed.
 """
 
-import logging
-
 import debtcollector.renames
 
 from neutronclient import client
 from neutronclient.neutron import client as neutron_client
 
 
-LOG = logging.getLogger(__name__)
-
-
 class ClientCache(object):
     """Descriptor class for caching created client handles."""
 

neutronclient/common/serializer.py

@@ -13,15 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
-
 from oslo_serialization import jsonutils
 import six
 
 from neutronclient._i18n import _
 from neutronclient.common import exceptions as exception
 
-LOG = logging.getLogger(__name__)
 
 if six.PY3:
     long = int