Drop fallback to DEFAULT section

The fallback was added 9 years ago, in 0.1.0 release[1].

[1] c98d5edc44

Change-Id: I3b66c5f9df58eaeea9fc51a6c0b83af2e39a525b

oslo_concurrency/lockutils.py

@@ -46,16 +46,14 @@ LOG = logging.getLogger(__name__)
 
 _opts = [
     cfg.BoolOpt('disable_process_locking', default=False,
-                help='Enables or disables inter-process locks.',
-                deprecated_group='DEFAULT'),
+                help='Enables or disables inter-process locks.'),
     cfg.StrOpt('lock_path',
                default=os.environ.get("OSLO_LOCK_PATH"),
                help='Directory to use for lock files.  For security, the '
                     'specified directory should only be writable by the user '
                     'running the processes that need locking. '
                     'Defaults to environment variable OSLO_LOCK_PATH. '
-                    'If external locks are used, a lock path must be set.',
-               deprecated_group='DEFAULT')
+                    'If external locks are used, a lock path must be set.')
 ]
 
 

oslo_concurrency/tests/unit/test_lockutils.py

@@ -24,7 +24,6 @@ import threading
 import time
 from unittest import mock
 
-from oslo_config import cfg
 from oslotest import base as test_base
 
 from oslo_concurrency.fixture import lockutils as fixtures
@@ -361,18 +360,6 @@ class LockTestCase(test_base.BaseTestCase):
         with lockutils.lock("foobar"):
             pass
 
-    def test_deprecated_names(self):
-        paths = self.create_tempfiles([['fake.conf', '\n'.join([
-            '[DEFAULT]',
-            'lock_path=foo',
-            'disable_process_locking=True'])
-        ]])
-        conf = cfg.ConfigOpts()
-        conf(['--config-file', paths[0]])
-        conf.register_opts(lockutils._opts, 'oslo_concurrency')
-        self.assertEqual('foo', conf.oslo_concurrency.lock_path)
-        self.assertTrue(conf.oslo_concurrency.disable_process_locking)
-
 
 class FileBasedLockingTestCase(test_base.BaseTestCase):
     def setUp(self):

releasenotes/notes/remove-defaut-section-fallback-a90a6d2fd10671bc.yaml

@@ -0,0 +1,8 @@
+---
+upgrade:
+  - |
+    The following options are no longer loaded from the ``[DEFAULT] section``.
+    Set these options in the ``[oslo_concurrency]`` section.
+
+    - ``disable_process_locking``
+    - ``lock_path``