refactor: Remove @componentscan

Author: jittagornp

spring-boot-reactive-default-timezone/README.md

@@ -62,7 +62,6 @@ pom.xml
 
 ``` java
 @SpringBootApplication
-@ComponentScan(basePackages = {"me.jittagornp"})
 public class AppStarter {
 
     public static void main(String[] args) {

spring-boot-reactive-default-timezone/src/main/java/me/jittagornp/example/reactive/AppStarter.java

@@ -5,13 +5,11 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
 
 /**
  * @author jitta
  */
 @SpringBootApplication
-@ComponentScan(basePackages = {"me.jittagornp"})
 public class AppStarter {
 
     public static void main(String[] args) {

spring-boot-reactive-default-timezone/src/main/java/me/jittagornp/example/reactive/Test.java

@@ -3,7 +3,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.context.annotation.Configuration;
 
-import javax.annotation.PostConstruct;
+import jakarta.annotation.PostConstruct;
 import java.util.TimeZone;
 
 @Slf4j