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: I92f0729448255cec09263eccea4724c0cf9e8b61
Closes-Bug: #1674550

cinderclient/_i18n.py

@@ -35,16 +35,6 @@ _C = _translators.contextual_form
 # requires oslo.i18n >=2.1.0
 _P = _translators.plural_form
 
-# Translators for log levels.
-#
-# The abbreviated names are meant to reflect the usual use of a short
-# name like '_'. The "L" is for "log" and the other letter comes from
-# the level.
-_LI = _translators.log_info
-_LW = _translators.log_warning
-_LE = _translators.log_error
-_LC = _translators.log_critical
-
 
 def get_available_languages():
         return oslo_i18n.get_available_languages(DOMAIN)

cinderclient/client.py

@@ -45,7 +45,6 @@ from cinderclient import api_versions
 from cinderclient import exceptions
 import cinderclient.extension
 from cinderclient._i18n import _
-from cinderclient._i18n import _LW
 
 try:
     from eventlet import sleep
@@ -90,8 +89,8 @@ def get_server_version(url):
                 return (api_versions.APIVersion(version['min_version']),
                         api_versions.APIVersion(version['version']))
     except exceptions.ClientException as e:
-        logger.warning(_LW("Error in server version query:%s\n"
-                 "Returning APIVersion 2.0"), six.text_type(e.message))
+        logger.warning("Error in server version query:%s\n"
+                       "Returning APIVersion 2.0", six.text_type(e.message))
         return api_versions.APIVersion("2.0"), api_versions.APIVersion("2.0")