Remove unnecessary ObjectMapper setting

Author: emlun

yubico-util/src/main/java/com/yubico/internal/util/JacksonCodecs.java

@@ -5,7 +5,6 @@
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.MapperFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.json.JsonMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.fasterxml.jackson.dataformat.cbor.CBORFactory;
@@ -23,7 +22,6 @@ public static ObjectMapper cbor() {
   public static ObjectMapper json() {
     return JsonMapper.builder()
         .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, true)
-        .configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false)
         .configure(MapperFeature.PROPAGATE_TRANSIENT_MARKER, true)
         .serializationInclusion(Include.NON_ABSENT)
         .defaultBase64Variant(Base64Variants.MODIFIED_FOR_URL)