fix sonar

webmagic-selenium/src/test/java/us/codecraft/webmagic/samples/WeiboTopSpider.java

@@ -7,7 +7,6 @@ import us.codecraft.webmagic.Site;
 import us.codecraft.webmagic.Spider;
 import us.codecraft.webmagic.downloader.selenium.SeleniumDownloader;
 import us.codecraft.webmagic.processor.PageProcessor;
-import us.codecraft.webmagic.scheduler.component.HashSetDuplicateRemover;
 import us.codecraft.webmagic.selector.Selectable;
 
 import javax.management.JMException;
@@ -35,8 +34,6 @@ public class WeiboTopSpider implements PageProcessor {
             logger.info(url);
             logger.info(score);
         }
-
-
     }
 
     @Override
@@ -50,5 +47,4 @@ public class WeiboTopSpider implements PageProcessor {
                 .thread(1);
         weiboSpider.start();
     }
-
 }