Remove import

Author: nielsbauman

server/src/internalClusterTest/java/org/elasticsearch/snapshots/SnapshotsServiceIT.java

@@ -14,7 +14,6 @@
 import org.elasticsearch.action.support.PlainActionFuture;
 import org.elasticsearch.action.support.SubscribableListener;
 import org.elasticsearch.action.support.master.AcknowledgedResponse;
-import org.elasticsearch.cluster.ClusterState;
 import org.elasticsearch.cluster.SnapshotDeletionsInProgress;
 import org.elasticsearch.cluster.metadata.IndexMetadata;
 import org.elasticsearch.cluster.service.ClusterService;