Change Details

[ENG-11486](https://linear.app/comm/issue/ENG-11486/shut-down-ec2-services). Remove ECS EC2 Capacity Provider, Auto Scaling Group, ECS Instance Role and AMI. Depends on D15525

[ENG-11486](https://linear.app/comm/issue/ENG-11486/shut-down-ec2-services). Remove ECS EC2 Capacity Provider, Auto Scaling Group, ECS Instance Role and AMI. Depends on D15539

[ENG-11486](https://linear.app/comm/issue/ENG-11486/shut-down-ec2-services). Remove ECS EC2 Capacity Provider, Auto Scaling Group, ECS Instance Role and AMI. Depends on D1552539