Fix build

Author: rogperez

packages/cdk-blue-green-container-deployment/lambda-file-sizes.json

@@ -1 +1 @@
-[{"timestamp":1637708323927,"files":[{"filename":"ecs-deployment-group/index.js","previous":0,"size":144989,"diff":144989},{"filename":"ecs-service/index.js","previous":0,"size":144998,"diff":144998}]}]
+[{"timestamp":1637781788109,"files":[{"filename":"ecs-deployment-group/index.js","previous":144989,"size":145307,"diff":318},{"filename":"ecs-service/index.js","previous":144998,"size":145016,"diff":18}]},{"timestamp":1637708323927,"files":[{"filename":"ecs-deployment-group/index.js","previous":0,"size":144989,"diff":144989},{"filename":"ecs-service/index.js","previous":0,"size":144998,"diff":144998}]}]

packages/cdk-blue-green-container-deployment/src/ecs-deployment-group.ts

@@ -3,7 +3,7 @@ import { EcsApplication, IEcsApplication } from '@aws-cdk/aws-codedeploy';
 import { ApplicationTargetGroup } from '@aws-cdk/aws-elasticloadbalancingv2';
 import { Role, ServicePrincipal, ManagedPolicy, Effect, PolicyStatement } from '@aws-cdk/aws-iam';
 import { Function, Runtime, Code } from '@aws-cdk/aws-lambda';
-import { Aws, Construct, Resource, IResource, CustomResource, Duration, ITaggable, TagType, TagManager, Lazy } from '@aws-cdk/core';
+import { Construct, Resource, IResource, CustomResource, Duration, ITaggable, TagType, TagManager, Lazy } from '@aws-cdk/core';
 
 import { EcsDeploymentConfig, IEcsDeploymentConfig } from './ecs-deployment-config';
 import { IEcsService } from './ecs-service';