Remove log translations

Log messages are no longer being translated. This removes all use of
the _LE, _LI, and _LW translation markers to simplify logging and to
avoid confusion with new contributions.

See:
http://lists.openstack.org/pipermail/openstack-i18n/2016-November/002574.html
http://lists.openstack.org/pipermail/openstack-dev/2017-March/113365.html

Change-Id: I3552767976807a9851af69b1fa4f86ac25943025

watcher/cmd/decisionengine.py

@@ -22,7 +22,6 @@ import sys
 
 from oslo_log import log as logging
 
-from watcher._i18n import _LI
 from watcher.common import service as watcher_service
 from watcher import conf
 from watcher.decision_engine import gmr
@@ -38,7 +37,7 @@ def main():
     watcher_service.prepare_service(sys.argv, CONF)
     gmr.register_gmr_plugins()
 
-    LOG.info(_LI('Starting Watcher Decision Engine service in PID %s'),
+    LOG.info('Starting Watcher Decision Engine service in PID %s',
              os.getpid())
 
     syncer = sync.Syncer()