Ensure Principal is removed from all AWS Organization policies

Service control policies (SCPs) do not support specifying Principal as an element in the JSON structure.
References:
https://docs.aws.amazon.com/organizations/latest/userguide/orgs_manage_policies_scps_syntax.html

In AWS Console -

1. Sign in to the AWS console and go to the Organizations console.
2. Under Policy Management, select Policies.
3. Choose the policy you wish to edit.
4. Update accordingly.

In Terraform -

1. In the aws_organizations_policy resource, edit the policy Statement to have valid syntax.

References:
https://docs.aws.amazon.com/organizations/latest/userguide/orgs_manage_policies.html
https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/organizations_policy