TrivialFix: Remove logging import unused

This patch removes logging import unused in
mistral/cmd/launch.py
mistral/engine/actions.py
mistral/utils/rest_utils.py

Change-Id: Ie742d1565f505404fdb58d4d9d0f013ae4475ff4

mistral/cmd/launch.py

@@ -56,8 +56,6 @@ from mistral import version
 
 CONF = cfg.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 def launch_executor():
     profiler.setup('mistral-executor', cfg.CONF.executor.host)

mistral/engine/actions.py

@@ -15,7 +15,6 @@
 
 import abc
 from oslo_config import cfg
-from oslo_log import log as logging
 from osprofiler import profiler
 import six
 
@@ -35,8 +34,6 @@ from mistral.workflow import states
 from mistral.workflow import utils as wf_utils
 
 
-LOG = logging.getLogger(__name__)
-
 _RUN_EXISTING_ACTION_PATH = 'mistral.engine.actions._run_existing_action'
 
 

mistral/utils/rest_utils.py

@@ -20,14 +20,11 @@ import json
 import pecan
 import six
 
-from oslo_log import log as logging
 import webob
 from wsme import exc as wsme_exc
 
 from mistral import exceptions as exc
 
-LOG = logging.getLogger(__name__)
-
 
 def wrap_wsme_controller_exception(func):
     """Decorator for controllers method.