logging: do not use ipa_log_manager to create module-level loggers

Replace all `ipa_log_manager.log_mgr.get_logger` calls to create
module-level loggers with `logging.getLogger` calls and deprecate
`ipa_log_manager.log_mgr.get_logger`.

Reviewed-By: Martin Basti <mbasti@redhat.com>

ipaclient/remote_plugins/__init__.py

@@ -6,6 +6,7 @@ import collections
 import errno
 import json
 import locale
+import logging
 import os
 import time
 
@@ -14,9 +15,8 @@ from . import schema
 from ipaclient.plugins.rpcclient import rpcclient
 from ipalib.constants import USER_CACHE_PATH
 from ipapython.dnsutil import DNSName
-from ipapython.ipa_log_manager import log_mgr
 
-logger = log_mgr.get_logger(__name__)
+logger = logging.getLogger(__name__)
 
 
 class ServerInfo(collections.MutableMapping):
@@ -50,7 +50,7 @@ class ServerInfo(collections.MutableMapping):
                 pass
             else:
                 # warn that the file is unreadable, probably corrupted
-                logger.warning('Failed to read server info: {}'.format(e))
+                logger.warning('Failed to read server info: %s', e)
 
     def _write(self):
         try:
@@ -62,7 +62,7 @@ class ServerInfo(collections.MutableMapping):
             with open(self._path, 'w') as sc:
                 json.dump(self._dict, sc)
         except EnvironmentError as e:
-            logger.warning('Failed to write server info: {}'.format(e))
+            logger.warning('Failed to write server info: %s', e)
 
     def __getitem__(self, key):
         return self._dict[key]