Treeshake US Core example to Patient, BP, and BodyWeight #636

Job	Run time
test-typescript-us-core-example (latest)	11s
test-python-sdk-test (latest, 3.13)	11s
test-mustache-java-r4-example (latest, 21)	7s
test-csharp-sdk (latest, 8.0.x)	12s
test-typescript-ccda-example (latest)	12s
test-typescript-sdk-r4 (latest)	12s
test-mustache-java-r4-example (latest, 25)	11s
test-python-fhirpy-sdk-test (latest, 3.13)	12s
	1m 28s

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