remove Ec2Service placementStrategies test

packages/aws-cdk-lib/aws-ecs/test/ec2/ec2-service.test.ts

@@ -2098,32 +2098,6 @@ describe('ec2 service', () => {
       }).toThrow();
     });
 
-    test('with an empty list in placement strategies', () => {
-      // GIVEN
-      const stack = new cdk.Stack();
-      const vpc = new ec2.Vpc(stack, 'MyVpc', {});
-      const cluster = new ecs.Cluster(stack, 'EcsCluster', { vpc });
-      addDefaultCapacityProvider(cluster, stack, vpc);
-      const taskDefinition = new ecs.Ec2TaskDefinition(stack, 'Ec2TaskDef');
-
-      taskDefinition.addContainer('web', {
-        image: ecs.ContainerImage.fromRegistry('amazon/amazon-ecs-sample'),
-        memoryLimitMiB: 512,
-      });
-
-      new ecs.Ec2Service(stack, 'Ec2Service', {
-        cluster,
-        taskDefinition,
-        placementStrategies: [],
-      });
-
-      // THEN
-      Template.fromStack(stack).hasResourceProperties('AWS::ECS::Service', {
-        PlacementStrategies: Match.arrayEquals([]),
-      });
-
-    });
-
     test('throws an exception if non-DAEMON service is added but no EC2 capacity is associated with the cluster', () => {
       // GIVEN
       const stack = new cdk.Stack();