删除测试log.

brave-spring-boot-starter/src/main/java/cn/quantgroup/tech/brave/configuration/BraveAutoConfiguration.java

@@ -425,14 +425,11 @@ public class BraveAutoConfiguration {
 
             @Around("target(com.dangdang.ddframe.job.api.ElasticJob)")
             public Object dynamicTrace(ProceedingJoinPoint pjp) throws Throwable {
-                log.info("ElasticJobAspect dynamicTrace start.");
                 Tracer tracer = tracing().tracer();
                 /* 防止应用层非法使用（上下文中存在span），不生成root span。 */
                 if (tracer.currentSpan() != null) {
-                    log.info("应用层上下文中存在span.");
                     return pjp.proceed();
                 }
-                log.info("应用层上下文中不存在span.");
                 brave.Span span = tracer.newTrace();
                 try (Tracer.SpanInScope ws = tracer.withSpanInScope(span)) {
                     // note: try-with-resources closes the scope *before* the catch block