Polish 'Add DataSize serializer for configprops endpoint'

See gh-32645

Author: philwebb

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/context/properties/ConfigurationPropertiesReportEndpoint.java

@@ -483,7 +483,6 @@ public void serializeAsField(Object pojo, JsonGenerator jgen, SerializerProvider
 	private static final class ConfigurationPropertiesModule extends SimpleModule {
 
 		private ConfigurationPropertiesModule() {
-			super();
 			addSerializer(DataSize.class, ToStringSerializer.instance);
 		}