chore: revert "fix(iam): adding organization id pattern verification (#33555)" (#33773)

### Issue # (if applicable)

N/A

### Reason for this change

#33555 introduced a regression that breaks customers who use tokens for organization ID.

### Description of changes

This reverts commit 6df9bfe.

### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: samson-keung

packages/@aws-cdk-testing/framework-integ/test/aws-iam/test/integ.role.js.snapshot/cdk.out

@@ -105,7 +105,7 @@
        "Action": "sts:AssumeRole",
        "Condition": {
         "StringEquals": {
-         "aws:PrincipalOrgID": "o-12345abcde"
+         "aws:PrincipalOrgID": "o-1234"
         }
        },
        "Effect": "Allow",