Remove getNotificationFilters from RemoteSiteUser

Moved into a property on the IdentifiedUser.

Change-Id: I524173d4bf56b908953f529cfb349b425354057e
diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/RemoteSiteUser.java b/src/main/java/com/googlesource/gerrit/plugins/replication/RemoteSiteUser.java
index 2eacaed..9d8c3ca 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/RemoteSiteUser.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/RemoteSiteUser.java
@@ -14,7 +14,6 @@
 
 package com.googlesource.gerrit.plugins.replication;
 
-import com.google.gerrit.reviewdb.client.AccountProjectWatch;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.account.CapabilityControl;
@@ -22,7 +21,6 @@
 import com.google.inject.Inject;
 import com.google.inject.assistedinject.Assisted;
 
-import java.util.Collection;
 import java.util.Collections;
 import java.util.Set;
 
@@ -49,9 +47,4 @@
   public Set<Change.Id> getStarredChanges() {
     return Collections.emptySet();
   }
-
-  @Override
-  public Collection<AccountProjectWatch> getNotificationFilters() {
-    return Collections.emptySet();
-  }
 }