Revert "Replicate HEAD reference when replicating a project" Causes unacceptable performance degrade. This reverts commit 173494bb65cd8bf6c73a4bdcb0947090522896ed. Change-Id: I48655e074e85c166ecd8b6aad5fa5fbce7f0732f

diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java b/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java
index 36e3ecb..255c51b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java

@@ -372,7 +372,6 @@
     PushResult res;
     try {
       res = pushVia(tn);
-      updateHead();
     } finally {
       try {
         tn.close();
@@ -546,11 +545,6 @@
     cmds.add(new RemoteRefUpdate(git, (Ref) null, dst, force, null, null));
   }
 
-  private void updateHead() throws IOException {
-    replicationQueue.updateHead(projectName, git.getRef(Constants.HEAD)
-        .getTarget().getName());
-  }
-
   private void updateStates(Collection<RemoteRefUpdate> refUpdates)
       throws LockFailureException {
     Set<String> doneRefs = new HashSet<>();

diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/ReplicationQueue.java b/src/main/java/com/googlesource/gerrit/plugins/replication/ReplicationQueue.java
index c3b4675..95693d9 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/ReplicationQueue.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/ReplicationQueue.java

@@ -163,13 +163,9 @@
 
   @Override
   public void onHeadUpdated(HeadUpdatedListener.Event event) {
-    updateHead(new Project.NameKey(event.getProjectName()),
-        event.getNewHeadName());
-  }
-
-  void updateHead(Project.NameKey project, String newHeadName) {
-    for (URIish uri : getURIs(project, FilterType.ALL)) {
-      updateHead(uri, newHeadName);
+    for (URIish uri : getURIs(new Project.NameKey(event.getProjectName()),
+        FilterType.ALL)) {
+      updateHead(uri, event.getNewHeadName());
     }
   }