Fix duplicate standalone_network_plugin_ip_version
in the generated sample configuration.  This option is deprecated
and should no longer have a ``deprecated_group`` setting.
So remove it.
TrivialFix
@@ -68,8 +68,7 @@ standalone_network_plugin_opts = [
deprecated_for_removal=True,
deprecated_reason="This option has been replaced by "
"'network_plugin_ipv4_enabled' and "
- "'network_plugin_ipv6_enabled' options.",
- deprecated_group='DEFAULT'),
+ "'network_plugin_ipv6_enabled' options."),
cfg.IntOpt(
'standalone_network_plugin_mtu',
default=1500,
