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: Iee4995790132c9a05f93d7a0f847cc57021c8e89

tripleo_common/exception.py

@@ -21,7 +21,6 @@ import six
 from six import reraise as raise_
 
 from tripleo_common.i18n import _
-from tripleo_common.i18n import _LE
 
 _FATAL_EXCEPTION_FORMAT_ERRORS = False
 
@@ -47,9 +46,9 @@ class TripleoCommonException(Exception):
             exc_info = sys.exc_info()
             # kwargs doesn't match a variable in the message
             # log the issue and the kwargs
-            LOG.exception(_LE('Exception in string format operation'))
+            LOG.exception('Exception in string format operation')
             for name, value in kwargs.items():
-                LOG.error(_LE("%(name)s: %(value)s"),
+                LOG.error("%(name)s: %(value)s",
                           {'name': name, 'value': value})  # noqa
 
             if _FATAL_EXCEPTION_FORMAT_ERRORS:

tripleo_common/i18n.py

@@ -23,13 +23,3 @@ _translators = i18n.TranslatorFactory(domain='tripleo')
 
 # The primary translation function using the well-known name "_"
 _ = _translators.primary
-
-# 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