Remove 'iam:RevokeSession' from IAM actions list

Removed 'iam:RevokeSession' from the list of IAM actions.

Author: cventour

articles/sentinel/aws-disruption.md

@@ -50,7 +50,6 @@ Before you begin, ensure the following:
             "iam:RemoveUserFromGroup",
             "iam:ResetServiceSpecificCredential",
             "iam:ResyncMFADevice",
-            "iam:RevokeSession",
             "iam:DeleteUserPermissionsBoundary",
             "iam:DeleteUserPolicy",
             "iam:DetachUserPolicy"