Remove unused import

Yogu · Yogu · commit 9dd824a274f3 · 2016-11-16T00:14:12.000+08:00
diff --git a/src/main/java/com/github/dockerjava/api/model/SwarmDispatcherConfig.java b/src/main/java/com/github/dockerjava/api/model/SwarmDispatcherConfig.java
@@ -12,7 +12,6 @@
 
 import javax.annotation.CheckForNull;
 import java.io.Serializable;
-import java.time.Duration;
 
 /**
  * @since {@link RemoteApiVersion#VERSION_1_24}
