Remove nova.flags

Now that options have all moved from nova.flags to nova.config, we can
safely remove the nova.flags imports and replace them with nova.config
imports.

Change-Id: Ic077a72dd6419bbf1e1babe71acfa43c4e8b55c8

nova/tests/baremetal/test_proxy_bare_metal.py

@@ -20,8 +20,8 @@ import mox
 import StringIO
 
 from nova.compute import power_state
+from nova import config
 from nova import exception
-from nova import flags
 from nova.openstack.common import jsonutils
 from nova import test
 from nova.tests import fake_utils

nova/virt/baremetal/db/sqlalchemy/migration.py

@@ -22,6 +22,7 @@ from migrate.versioning import util as migrate_util
 import os
 import sqlalchemy
 
+from nova import config
 from nova import exception
 from nova.openstack.common import log as logging
 from nova.virt.baremetal.db import migration

nova/virt/baremetal/dom.py

@@ -15,8 +15,8 @@
 #    under the License.
 
 from nova.compute import power_state
+from nova import config
 from nova import exception
-from nova import flags
 from nova.openstack.common import jsonutils
 from nova.openstack.common import log as logging
 from nova.virt.baremetal import nodes

nova/virt/baremetal/driver.py

@@ -39,7 +39,6 @@ from nova.compute import vm_states
 from nova import config
 from nova import context as nova_context
 from nova import exception
-from nova import flags
 from nova import notifications
 from nova.openstack.common import cfg
 from nova.openstack.common import fileutils

nova/virt/baremetal/nodes.py

@@ -17,7 +17,6 @@
 
 from nova import config
 from nova import exception
-from nova import flags
 from nova.openstack.common import cfg
 from nova.virt.baremetal import fake
 from nova.virt.baremetal import tilera

nova/virt/baremetal/tilera.py

@@ -28,7 +28,6 @@ import time
 from nova.compute import power_state
 from nova import config
 from nova import exception
-from nova import flags
 from nova.openstack.common import cfg
 from nova.openstack.common import log as logging
 from nova import utils