Use floating_ips_client from tempest-lib

The files below have been migrated to tempest-lib

 * floating_ips_client.py: Ic840c3697f727612dfe754948e9a5890e7f2505d

Now Tempest-lib provides those as stable interfaces. So Tempest should
start using those from lib and remove its own copy.

Change-Id: I21c33c981249d3c7897e7d164e16562730849470
diff --git a/tempest/clients.py b/tempest/clients.py
index 333852e..0507ee8 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -70,6 +70,7 @@
     VolumesClient as ComputeVolumesClient
 from tempest_lib.services.identity.v2.token_client import TokenClient
 from tempest_lib.services.identity.v3.token_client import V3TokenClient
+from tempest_lib.services.network.floating_ips_client import FloatingIPsClient
 
 from tempest.common import negative_rest_client
 from tempest import config
@@ -111,7 +112,6 @@
     MessagingClient
 from tempest.services.network.json.agents_client import AgentsClient \
     as NetworkAgentsClient
-from tempest.services.network.json.floating_ips_client import FloatingIPsClient
 from tempest.services.network.json.metering_label_rules_client import \
     MeteringLabelRulesClient
 from tempest.services.network.json.metering_labels_client import \
diff --git a/tempest/services/network/json/floating_ips_client.py b/tempest/services/network/json/floating_ips_client.py
deleted file mode 100644
index 5c490ed..0000000
--- a/tempest/services/network/json/floating_ips_client.py
+++ /dev/null
@@ -1,38 +0,0 @@
-#    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 tempest.services.network.json import base
-
-
-class FloatingIPsClient(base.BaseNetworkClient):
-
-    def create_floatingip(self, **kwargs):
-        uri = '/floatingips'
-        post_data = {'floatingip': kwargs}
-        return self.create_resource(uri, post_data)
-
-    def update_floatingip(self, floatingip_id, **kwargs):
-        uri = '/floatingips/%s' % floatingip_id
-        post_data = {'floatingip': kwargs}
-        return self.update_resource(uri, post_data)
-
-    def show_floatingip(self, floatingip_id, **fields):
-        uri = '/floatingips/%s' % floatingip_id
-        return self.show_resource(uri, **fields)
-
-    def delete_floatingip(self, floatingip_id):
-        uri = '/floatingips/%s' % floatingip_id
-        return self.delete_resource(uri)
-
-    def list_floatingips(self, **filters):
-        uri = '/floatingips'
-        return self.list_resources(uri, **filters)