It does not look like the proposed language change as part of resolution of FHIR-37681 (Remove requirement related to code system order) was applied. 

The section still has the following text"In the case of direct referenced codes, a codesystem declaration must precede the code declaration (per CQL v1.3 specification). Examples of valueset and code declarations can be seen in the accompanying CommonTerminologies.cql and Terminology.cql."