Remove unused private methods

Change-Id: Ibad18b68f471bfb2e6fadaf1455993aa2d382d9d

src/main/java/com/googlesource/gerrit/plugins/replication/Destination.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/Destination.java b/src/main/java/com/googlesource/gerrit/plugins/replication/Destination.java
index 4ebd67e..92b07ed 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/Destination.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/Destination.java
@@ -576,14 +576,6 @@
     }
   }
 
-  private boolean refHasPendingPush(URIish opUri, String ref) {
-    return pushContainsRef(pending.get(opUri), ref) || pushContainsRef(inFlight.get(opUri), ref);
-  }
-
-  private boolean pushContainsRef(PushOne op, String ref) {
-    return op != null && op.getRefs().contains(ref);
-  }
-
   boolean wouldPushProject(Project.NameKey project) {
     if (!shouldReplicate(project)) {
       return false;