Update HelloController.java

Author: JensMyParcel

src/main/java/com/example/devopstraining/controller/HelloController.java

@@ -4,7 +4,6 @@
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
-import java.util.List;
 
 @RestController
 @RequestMapping("/api")
@@ -24,4 +23,4 @@ public String helloWithName(@PathVariable final String name) {
     public String health() {
         return "Application is running";
     }
-}
+}