Remove NEC plugin tables

The initial NEC plugin was marked as deprecated in Liberty
and has been replaced by a new implementation in Mitaka.
This commit drops NEC plugin tables.

Closes-Bug: #1545620
Change-Id: Ifa8dad589ff6c47ba76452e8996a910f8732739b

neutron/db/migration/alembic_migrations/external.py

@@ -88,18 +88,6 @@ REPO_VMWARE_TABLES = [
     'vcns_router_bindings',
 ]
 
-# NEC models are in openstack/networking-nec
-REPO_NEC_TABLES = [
-    'ofcnetworkmappings',
-    'ofcportmappings',
-    'ofcroutermappings',
-    'ofcfiltermappings',
-    'ofctenantmappings',
-    'portinfos',
-    'routerproviders',
-    'packetfilters',
-]
-
 # Brocade models are in openstack/networking-brocade
 REPO_BROCADE_TABLES = [
     'brocadenetworks',
@@ -127,7 +115,6 @@ TABLES = (FWAAS_TABLES + LBAAS_TABLES + VPNAAS_TABLES +
           REPO_ARISTA_TABLES +
           REPO_CISCO_TABLES +
           REPO_VMWARE_TABLES +
-          REPO_NEC_TABLES +
           REPO_BROCADE_TABLES +
           REPO_BIGSWITCH_TABLES +
           REPO_NUAGE_TABLES)

neutron/db/migration/alembic_migrations/versions/CONTRACT_HEAD

@@ -1 +1 @@
-2b4c2465d44b
+e3278ee65050

neutron/db/migration/alembic_migrations/versions/mitaka/contract/e3278ee65050_drop_nec_plugin_tables.py

@@ -0,0 +1,39 @@
+# Copyright 2016 OpenStack Foundation
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+#
+
+"""Drop NEC plugin tables
+
+Revision ID: e3278ee65050
+Revises: 2b4c2465d44b
+Create Date: 2016-02-15 18:50:56.870043
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'e3278ee65050'
+down_revision = '2b4c2465d44b'
+
+from alembic import op
+
+
+def upgrade():
+    op.drop_table('ofcnetworkmappings')
+    op.drop_table('ofcportmappings')
+    op.drop_table('ofcroutermappings')
+    op.drop_table('ofcfiltermappings')
+    op.drop_table('ofctenantmappings')
+    op.drop_table('portinfos')
+    op.drop_table('routerproviders')
+    op.drop_table('packetfilters')