Fix for url in Image Service

Change-Id: I75fa73f3eda76c7dfe27fecdfde5c2ab84a743c5
diff --git a/openstack/client.go b/openstack/client.go
index b06a981..cf45329 100644
--- a/openstack/client.go
+++ b/openstack/client.go
@@ -340,7 +340,5 @@
 	if err != nil {
 		return nil, err
 	}
-	return &gophercloud.ServiceClient{ProviderClient: client,
-		Endpoint:     url,
-		ResourceBase: url + "v2/"}, nil
+	return &gophercloud.ServiceClient{ProviderClient: client, Endpoint: url}, nil
 }