Remove useless _opts.py

This file has not been used.

Change-Id: Ie53dca6673f87bfeded74e336f3d60fbf500caf8

watcher/conf/_opts.py

@@ -1,62 +0,0 @@
-# -*- encoding: utf-8 -*-
-# Copyright 2014
-# The Cloudscaling Group, Inc.
-# Copyright (c) 2016 Intel Corp
-#
-# 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.
-
-from keystoneauth1 import loading as ka_loading
-
-from watcher.conf import api as conf_api
-from watcher.conf import applier as conf_applier
-from watcher.conf import ceilometer_client as conf_ceilometer_client
-from watcher.conf import cinder_client as conf_cinder_client
-from watcher.conf import clients_auth as conf_auth
-from watcher.conf import db
-from watcher.conf import decision_engine as conf_de
-from watcher.conf import exception
-from watcher.conf import glance_client as conf_glance_client
-from watcher.conf import neutron_client as conf_neutron_client
-from watcher.conf import nova_client as conf_nova_client
-from watcher.conf import paths
-from watcher.conf import planner as conf_planner
-
-
-def list_opts():
-    """Legacy aggregation of all the watcher config options"""
-    return [
-        ('DEFAULT',
-         (conf_api.AUTH_OPTS +
-          exception.EXC_LOG_OPTS +
-          paths.PATH_OPTS)),
-        (conf_api.api, conf_api.API_SERVICE_OPTS),
-        (db.database, db.SQL_OPTS),
-        (conf_planner.watcher_planner, conf_planner.WATCHER_PLANNER_OPTS),
-        (conf_applier.watcher_applier, conf_applier.APPLIER_MANAGER_OPTS),
-        (conf_de.watcher_decision_engine,
-         (conf_de.WATCHER_DECISION_ENGINE_OPTS)),
-        (conf_nova_client.nova_client, conf_nova_client.NOVA_CLIENT_OPTS),
-        (conf_glance_client.glance_client,
-         conf_glance_client.GLANCE_CLIENT_OPTS),
-        (conf_cinder_client.cinder_client,
-         conf_cinder_client.CINDER_CLIENT_OPTS),
-        (conf_ceilometer_client.ceilometer_client,
-         conf_ceilometer_client.CEILOMETER_CLIENT_OPTS),
-        (conf_neutron_client.neutron_client,
-         conf_neutron_client.NEUTRON_CLIENT_OPTS),
-        (conf_auth.WATCHER_CLIENTS_AUTH,
-         (ka_loading.get_auth_common_conf_options() +
-          ka_loading.get_auth_plugin_conf_options('password') +
-          ka_loading.get_session_conf_options()))
-    ]