1.4. 删除 AWS Load Balancer Operator

流程

1. 删除 Operator Subscription：

   $ oc delete subscription aws-load-balancer-operator -n aws-load-balancer-operator

2. 分离并删除相关的 AWS IAM 角色：

   $ aws iam detach-role-policy \
     --role-name "<cluster-id>-alb-operator" \
     --policy-arn <operator-policy-arn>

   $ aws iam delete-role \
     --role-name "<cluster-id>-alb-operator"

3. 删除 AWS IAM 策略：

   $ aws iam delete-policy --policy-arn <operator-policy-arn>