Don't define service resource name

if we do, CloudFormation can't update resource and changeset fail with
"CloudFormation cannot update a stack when a custom-named resource
requires replacing"

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>

ecs/pkg/amazon/backend/cloudformation.go

@@ -193,7 +193,6 @@ func (b Backend) Convert(project *types.Project) (*cloudformation.Template, erro
 				},
 			},
 			SchedulingStrategy: ecsapi.SchedulingStrategyReplica,
-			ServiceName:        service.Name,
 			ServiceRegistries:  []ecs.Service_ServiceRegistry{serviceRegistry},
 			Tags: []tags.Tag{
 				{

ecs/pkg/amazon/sdk/sdk.go

@@ -182,6 +182,7 @@ func (s sdk) CreateStack(ctx context.Context, name string, template *cf.Template
 	})
 	return err
 }
+
 func (s sdk) WaitStackComplete(ctx context.Context, name string, operation int) error {
 	input := &cloudformation.DescribeStacksInput{
 		StackName: aws.String(name),