Remove explicit constructor super() calls

Closes gh-11068

spring-boot-samples/spring-boot-sample-data-rest/src/main/java/sample/data/rest/domain/City.java

@@ -50,7 +50,6 @@ public class City implements Serializable {
 	}
 
 	public City(String name, String country) {
-		super();
 		this.name = name;
 		this.country = country;
 	}