Remove unused references #1181

Job	Run time
calc-version	25s
integration-test (AcrApi, ef)	3m 17s
integration-test (AcrApi, mongodb)	3m 24s
integration-test (DicomDimseScp, ef)	5m 8s
integration-test (DicomDimseScp, mongodb)	5m 21s
integration-test (DicomDimseScu, ef)	3m 10s
integration-test (DicomDimseScu, mongodb)	3m 10s
integration-test (DicomWebExport, ef)	3m 20s
integration-test (DicomWebExport, mongodb)	3m 18s
integration-test (DicomWebStow, ef)	6m 29s
integration-test (DicomWebStow, mongodb)	6m 5s
integration-test (HealthLevel7, ef)	4m 17s
integration-test (HealthLevel7, mongodb)	4m 47s
integration-test (Fhir, ef)	4m 5s
integration-test (Fhir, mongodb)	3m 26s
analyze	6m 54s
CodeQL-Analyze	10m 17s
unit-test	9m 24s
docs	4m 31s
build (ubuntu-latest)	3m 19s
build (windows-latest)	3m 22s
release	0s
	1h 37m 29s

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