PushOneTest: Remove unused mock ReplicationQueue

Change-Id: I162fb33059ef954b437d230cef05f732752dc137
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java b/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
index af065b3..f7c142a 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
@@ -82,7 +82,6 @@
   private RefSpec refSpecMock;
   private CredentialsFactory credentialsFactory;
   private PerThreadRequestScope.Scoper threadRequestScoperMock;
-  private ReplicationQueue replicationQueueMock;
   private IdGenerator idGeneratorMock;
   private ReplicationStateListeners replicationStateListenersMock;
   private ReplicationMetrics replicationMetricsMock;
@@ -147,7 +146,6 @@
     setupFetchConnectionMock();
     setupPushConnectionMock();
     setupRequestScopeMock();
-    replicationQueueMock = createNiceMock(ReplicationQueue.class);
     idGeneratorMock = createNiceMock(IdGenerator.class);
     replicationStateListenersMock = createNiceMock(ReplicationStateListeners.class);
 
@@ -167,7 +165,6 @@
         remoteConfigMock,
         credentialsFactory,
         threadRequestScoperMock,
-        replicationQueueMock,
         idGeneratorMock,
         replicationStateListenersMock,
         replicationMetricsMock,