Removes a user from a project.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/codestar/disassociate-team-member.html
| aws codestar disassociate-team-member --project-id my-first-projec --user-arn arn:aws:iam:111111111111:user/John_Doe |
| Remove Team Members from an AWS CodeStar Project - AWS CodeStar : http://docs.aws.amazon.com/codestar/latest/userguide/how-to-remove-team-member.html |