removing obsolete caveat for ecs clusters - we've got the functionali…

…ty now 🎉

README.md

@@ -29,22 +29,12 @@ The currently supported functionality includes:
 
 _Resources: https://aws.amazon.com/about-aws/whats-new/2018/11/amazon-ecs-and-aws-fargate-now-allow-resources-tagging-/_
 
-*DISCLAIMER:* This work is still in progress, however, you can view the advancements and changes as they happen in the open PRs of this repo.
-
 Example usage of this functionality will be as per standard: 
 
 ```shell
 cloud-nuke aws --resource-type ecscluster --older-than 24h
 ```
 
-<s>
-- We currently do not support deleting ECS clusters because AWS
-  does not give us a good way to blacklist clusters off the list (there are no
-  tags and we do not know the creation timestamp). Given the destructive nature
-  of the tool, we have opted not to support deleting ECS clusters at the
-  moment. See https://github.com/gruntwork-io/cloud-nuke/pull/36 for a more
-  detailed discussion. </s>
-
 ### BEWARE!
 
 When executed as `cloud-nuke aws`, this tool is **HIGHLY DESTRUCTIVE** and deletes all resources! This mode should never be used in a production environment!