Remove ununsed imports in ServiceTest

Change-Id: I6802df6b6e0f149d12c0c946f442ce551639930b
diff --git a/src/test/java/de/ids_mannheim/korap/plkexport/ServiceTest.java b/src/test/java/de/ids_mannheim/korap/plkexport/ServiceTest.java
index a24d5fc..5ea32b1 100644
--- a/src/test/java/de/ids_mannheim/korap/plkexport/ServiceTest.java
+++ b/src/test/java/de/ids_mannheim/korap/plkexport/ServiceTest.java
@@ -41,8 +41,6 @@
 import org.glassfish.jersey.media.sse.EventSource;
 import org.glassfish.jersey.media.sse.SseFeature;
 import java.util.concurrent.TimeUnit;
-import jakarta.ws.rs.client.WebTarget;
-import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
 import org.glassfish.jersey.server.ResourceConfig;