Polish

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/http/HttpMessageConvertersAutoConfiguration.java

@@ -33,7 +33,6 @@ import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
 import org.springframework.boot.autoconfigure.jsonb.JsonbAutoConfiguration;
 import org.springframework.boot.context.properties.bind.BindableRuntimeHintsRegistrar;
 import org.springframework.boot.context.properties.bind.Binder;
-import org.springframework.boot.logging.structured.GraylogExtendedLogFormatProperties;
 import org.springframework.boot.web.servlet.server.Encoding;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Conditional;