Remove unused [state] options

This has been unused since it was replaced by DBStateManager[1][2][3].

[1] https://review.opendev.org/c/openstack/cloudkitty/+/112846
[2] https://review.opendev.org/c/openstack/cloudkitty/+/120472
[3] https://review.opendev.org/c/openstack/cloudkitty/+/140114

Change-Id: Id062249e5d503de7c2b4990b2988e66caf6d6319
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

cloudkitty/common/config.py

@@ -60,8 +60,6 @@ _opts = [
         cloudkitty.orchestrator.orchestrator_opts))),
     ('output', list(itertools.chain(
         cloudkitty.config.output_opts))),
-    ('state', list(itertools.chain(
-        cloudkitty.config.state_opts))),
     ('storage', list(itertools.chain(
         cloudkitty.storage.storage_opts))),
     ('storage_influxdb', list(itertools.chain(

cloudkitty/config.py

@@ -18,14 +18,6 @@ from oslo_db import options as db_options  # noqa
 from oslo_messaging import opts  # noqa
 
 
-state_opts = [
-    cfg.StrOpt('backend',
-               default='cloudkitty.backend.file.FileBackend',
-               help='Backend for the state manager.'),
-    cfg.StrOpt('basepath',
-               default='/var/lib/cloudkitty/states/',
-               help='Storage directory for the file state backend.'), ]
-
 output_opts = [
     cfg.StrOpt('backend',
                default='cloudkitty.backend.file.FileBackend',
@@ -38,7 +30,6 @@ output_opts = [
                 help='Output pipeline'), ]
 
 
-cfg.CONF.register_opts(state_opts, 'state')
 cfg.CONF.register_opts(output_opts, 'output')
 
 # oslo.db defaults

releasenotes/notes/remove-state-opts-a013e25c744d7494.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The ``[state]`` configuration group has been removed, because all options
+    in this group have been unused.