Shifting identity operations to common delete result
diff --git a/openstack/identity/v3/services/results.go b/openstack/identity/v3/services/results.go
index 0653198..d90b1bd 100644
--- a/openstack/identity/v3/services/results.go
+++ b/openstack/identity/v3/services/results.go
@@ -44,7 +44,7 @@
 
 // DeleteResult is the deferred result of an Delete call.
 type DeleteResult struct {
-	commonResult
+	gophercloud.ExtractErrResult
 }
 
 // Service is the result of a list or information query.