Revert "configure TLS versions"

This reverts commit f5e876db25.

src/main/java/dev/mars3142/fhq/timezone_service/Application.java

@@ -7,7 +7,6 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 public class Application {
 
   public static void main(String[] args) {
-    System.setProperty("https.protocols", "TLSv1 TLSv1.1 TLSv1.2 TLSv1.3");
     SpringApplication.run(Application.class, args);
   }