Operational-Best-Practices-for-NIST-CSF.yaml for operational-best-practices-for-nist-csf: several Errors InvalidParameterValueException

[buffalmacco]

For those that will face one or more of these errors:

1. The sourceIdentifier EC2_MANAGEDINSTANCE_ASSOCIATION_COMPLIANCE_STATUS_CHECK is invalid. Please refer to the documentation for a list of valid sourceIdentifiers that can be used when AWS is the Owner.
2. The sourceIdentifier RDS_SNAPSHOTS_PUBLIC_PROHIBITED is invalid. Please refer to the documentation for a list of valid sourceIdentifiers that can be used when AWS is the Owner.
3. The sourceIdentifier EC2_MANAGEDINSTANCE_PATCH_COMPLIANCE_STATUS_CHECK is invalid. Please refer to the documentation for a list of valid sourceIdentifiers that can be used when AWS is the Owner.
4. The sourceIdentifier KMS_CMK_NOT_SCHEDULED_FOR_DELETION is invalid. Please refer to the documentation for a list of valid sourceIdentifiers that can be used when AWS is the Owner.
5. The sourceIdentifier ELB_ACM_CERTIFICATE_REQUIRED is invalid. Please refer to the documentation for a list of valid sourceIdentifiers that can be used when AWS is the Owner.
6. The sourceIdentifier EC2_STOPPED_INSTANCE is invalid. Please refer to the documentation for a list of valid sourceIdentifiers that can be used when AWS is the Owner.

Workaround: comment the rules and use the modified template.

Not submitting a PR, because #378 is still true.