Merge remote-tracking branch 'origin/wvp-28181-2.0' into commercial

src/main/java/com/genersoft/iot/vmp/VManageBootstrap.java

@@ -7,7 +7,6 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.web.servlet.ServletComponentScan;
 import org.springframework.context.ConfigurableApplicationContext;
-import org.springframework.scheduling.annotation.EnableAsync;
 import org.springframework.scheduling.annotation.EnableScheduling;
 import springfox.documentation.oas.annotations.EnableOpenApi;