Remove unused import

Author: heowc

SpringBootHateoas/src/main/java/com/example/MessageController.java

@@ -1,8 +1,6 @@
 package com.example;
 
 import org.springframework.hateoas.IanaLinkRelations;
-import org.springframework.hateoas.Link;
-import org.springframework.hateoas.LinkRelation;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -12,9 +10,6 @@
 
 import java.time.Clock;
 import java.time.LocalDateTime;
-import java.util.Optional;
-
-import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.linkTo;
 
 @RestController
 @RequestMapping("/message")