returns duplicate matches (dev only)

[jmandel]

Bug

A single translation request returns 4 identical match entries instead of 1. Each match has the same concept and relationship.

Repro

curl -s 'https://tx-dev.fhir.org/r4/ConceptMap/$translate?sourceCode=male&sourceSystem=http://hl7.org/fhir/administrative-gender&targetSystem=http://terminology.hl7.org/CodeSystem/v3-AdministrativeGender' \
  -H 'Accept: application/fhir+json' | jq '[.parameter[] | select(.name=="match")] | length'
# Returns: 4
# Expected: 1