Revert "Don't install ReplicationStatusModule when replication lag is disabled"

This reverts commit 784463e233b9b15df3e23a962b2e2bf84d453315.

Reason for revert: With this change the multisite plugin is not loaded.

Change-Id: I29b74ad73bbfe95530c6c7abe86ebed70fae89fc
diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/PluginModule.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/PluginModule.java
index 62f38ad..db06c9f 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/multisite/PluginModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/PluginModule.java
@@ -67,9 +67,7 @@
       install(new BrokerForwarderModule());
       listener().to(MultiSiteConsumerRunner.class);
 
-      if (config.replicationLagEnabled()) {
-        install(new ReplicationStatusModule(workQueue));
-      }
+      install(new ReplicationStatusModule(workQueue));
     }
 
     if (config.getSharedRefDbConfiguration().getSharedRefDb().isEnabled()) {