Remove Exception Definition in fwaas_v2 Extension

These exception definitions are already in neutral-lib.
And it has already been directly referenced in neutron lib
in the code.

Change-Id: I9f0d5efc3d86bdab97a188ea880780b19e2a7e43

neutron_fwaas/extensions/firewall_v2.py

@@ -14,12 +14,10 @@
 
 import abc
 
-from debtcollector import moves
 from neutron.api.v2 import resource_helper
 from neutron_lib.api.definitions import constants as api_const
 from neutron_lib.api.definitions import firewall_v2
 from neutron_lib.api import extensions
-from neutron_lib.exceptions import firewall_v2 as f_exc
 from neutron_lib.services import base as service_base
 from oslo_config import cfg
 
@@ -27,66 +25,6 @@ from neutron_fwaas._i18n import _
 from neutron_fwaas.common import fwaas_constants
 
 
-FirewallGroupNotFound = moves.moved_class(
-    f_exc.FirewallGroupNotFound, 'FirewallGroupNotFound', __name__)
-FirewallGroupInUse = moves.moved_class(
-    f_exc.FirewallGroupInUse, 'FirewallGroupInUse', __name__)
-FirewallGroupInPendingState = moves.moved_class(
-    f_exc.FirewallGroupInPendingState, 'FirewallGroupInPendingState', __name__)
-FirewallGroupPortInvalid = moves.moved_class(
-    f_exc.FirewallGroupPortInvalid, 'FirewallGroupPortInvalid', __name__)
-FirewallGroupPortInvalidProject = moves.moved_class(
-    f_exc.FirewallGroupPortInvalidProject, 'FirewallGroupPortInvalidProject',
-    __name__)
-FirewallGroupPortInUse = moves.moved_class(
-    f_exc.FirewallGroupPortInUse, 'FirewallGroupPortInUse', __name__)
-FirewallPolicyNotFound = moves.moved_class(
-    f_exc.FirewallPolicyNotFound, 'FirewallPolicyNotFound', __name__)
-FirewallPolicyInUse = moves.moved_class(
-    f_exc.FirewallPolicyInUse, 'FirewallPolicyInUse', __name__)
-FirewallPolicyConflict = moves.moved_class(
-    f_exc.FirewallPolicyConflict, 'FirewallPolicyConflict', __name__)
-FirewallRuleSharingConflict = moves.moved_class(
-    f_exc.FirewallRuleSharingConflict, 'FirewallRuleSharingConflict',
-    __name__)
-FirewallPolicySharingConflict = moves.moved_class(
-    f_exc.FirewallPolicySharingConflict, 'FirewallPolicySharingConflict',
-    __name__)
-FirewallRuleNotFound = moves.moved_class(
-    f_exc.FirewallRuleNotFound, 'FirewallRuleNotFound', __name__)
-FirewallRuleInUse = moves.moved_class(
-    f_exc.FirewallRuleInUse, 'FirewallRuleInUse', __name__)
-FirewallRuleNotAssociatedWithPolicy = moves.moved_class(
-    f_exc.FirewallRuleNotAssociatedWithPolicy,
-    'FirewallRuleNotAssociatedWithPolicy',
-    __name__)
-FirewallRuleInvalidProtocol = moves.moved_class(
-    f_exc.FirewallRuleInvalidProtocol, 'FirewallRuleInvalidProtocol',
-    __name__)
-FirewallRuleInvalidAction = moves.moved_class(
-    f_exc.FirewallRuleInvalidAction, 'FirewallRuleInvalidAction',
-    __name__)
-FirewallRuleInvalidICMPParameter = moves.moved_class(
-    f_exc.FirewallRuleInvalidICMPParameter,
-    'FirewallRuleInvalidICMPParameter', __name__)
-FirewallRuleWithPortWithoutProtocolInvalid = moves.moved_class(
-    f_exc.FirewallRuleWithPortWithoutProtocolInvalid,
-    'FirewallRuleWithPortWithoutProtocolInvalid', __name__)
-FirewallRuleInvalidPortValue = moves.moved_class(
-    f_exc.FirewallRuleInvalidPortValue, 'FirewallRuleInvalidPortValue',
-    __name__)
-FirewallRuleInfoMissing = moves.moved_class(
-    f_exc.FirewallRuleInfoMissing, 'FirewallRuleInfoMissing', __name__)
-FirewallIpAddressConflict = moves.moved_class(
-    f_exc.FirewallIpAddressConflict, 'FirewallIpAddressConflict', __name__)
-FirewallInternalDriverError = moves.moved_class(
-    f_exc.FirewallInternalDriverError, 'FirewallInternalDriverError', __name__)
-FirewallRuleConflict = moves.moved_class(
-    f_exc.FirewallRuleConflict, 'FirewallRuleConflict', __name__)
-FirewallRuleAlreadyAssociated = moves.moved_class(
-    f_exc.FirewallRuleAlreadyAssociated, 'FirewallRuleAlreadyAssociated',
-    __name__)
-
 default_fwg_rules_opts = [
     cfg.StrOpt('ingress_action',
                default=api_const.FWAAS_DENY,