Revert "provider/aws: fix ECS service CheckDestroy in tests"

This reverts commit 47f8b0cd79.

cc @phinze

builtin/providers/aws/resource_aws_ecs_service_test.go

@@ -6,7 +6,6 @@ import (
 	"testing"
 
 	"github.com/aws/aws-sdk-go/aws"
-	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/service/ecs"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
@@ -235,10 +234,6 @@ func testAccCheckAWSEcsServiceDestroy(s *terraform.State) error {
 			Cluster:  aws.String(rs.Primary.Attributes["cluster"]),
 		})
 
-		if awserr, ok := err.(awserr.Error); ok && awserr.Code() == "ClusterNotFoundException" {
-			continue
-		}
-
 		if err == nil {
 			if len(out.Services) > 0 {
 				var activeServices []*ecs.Service