Fix checkstyle

Enrico Olivelli · Enrico Olivelli · commit a234f85f1e02 · 2019-11-21T17:28:17.000+01:00
diff --git a/zookeeper-server/src/main/java/org/apache/zookeeper/util/ServiceUtils.java b/zookeeper-server/src/main/java/org/apache/zookeeper/util/ServiceUtils.java
@@ -20,7 +20,6 @@
 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import java.util.Objects;
 import java.util.function.Consumer;
-import org.apache.zookeeper.ZooKeeperMain;
 import org.apache.zookeeper.server.ExitCode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
