Remove unused logging import

Change-Id: I4115c3721a5b931749ba73754d3d5307ca8a5236

stackalytics/dashboard/parameters.py

@@ -15,16 +15,12 @@
 
 import flask
 from oslo_config import cfg
-from oslo_log import log as logging
 from six.moves.urllib import parse
 import time
 
 from stackalytics.dashboard import vault
 
 
-LOG = logging.getLogger(__name__)
-
-
 DEFAULTS = {
     'review_nth': 5,
 }