Remove StarredChangesUtil::byAccountId label parameter

Labels are deprecated. Only DEFAULT_LABEL is used.

Change-Id: Ia227413c1389388065d6feb55680946fe244cbab
Release-Notes: skip
diff --git a/java/com/google/gerrit/server/StarredChangesUtil.java b/java/com/google/gerrit/server/StarredChangesUtil.java
index 8f413f9..9403105 100644
--- a/java/com/google/gerrit/server/StarredChangesUtil.java
+++ b/java/com/google/gerrit/server/StarredChangesUtil.java
@@ -266,7 +266,7 @@
     }
   }
 
-  public ImmutableSet<Change.Id> byAccountId(Account.Id accountId, String label) {
+  public ImmutableSet<Change.Id> byAccountId(Account.Id accountId) {
     try (Repository repo = repoManager.openRepository(allUsers)) {
       ImmutableSet.Builder<Change.Id> builder = ImmutableSet.builder();
       for (Ref ref : repo.getRefDatabase().getRefsByPrefix(RefNames.REFS_STARRED_CHANGES)) {
@@ -277,7 +277,7 @@
         }
         // Skip all refs that don't contain the required label.
         StarRef starRef = readLabels(repo, ref.getName());
-        if (!starRef.labels().contains(label)) {
+        if (!starRef.labels().contains(DEFAULT_LABEL)) {
           continue;
         }
 
diff --git a/java/com/google/gerrit/server/query/change/ChangePredicates.java b/java/com/google/gerrit/server/query/change/ChangePredicates.java
index f40e530..d32889f 100644
--- a/java/com/google/gerrit/server/query/change/ChangePredicates.java
+++ b/java/com/google/gerrit/server/query/change/ChangePredicates.java
@@ -110,10 +110,9 @@
    * Returns a predicate that matches changes where the provided {@link
    * com.google.gerrit.entities.Account.Id} has starred changes with {@code label}.
    */
-  public static Predicate<ChangeData> starBy(
-      StarredChangesUtil starredChangesUtil, Account.Id id, String label) {
+  public static Predicate<ChangeData> starBy(StarredChangesUtil starredChangesUtil, Account.Id id) {
     Set<Predicate<ChangeData>> starredChanges =
-        starredChangesUtil.byAccountId(id, label).stream()
+        starredChangesUtil.byAccountId(id).stream()
             .map(ChangePredicates::idStr)
             .collect(toImmutableSet());
     return starredChanges.isEmpty() ? ChangeIndexPredicate.none() : Predicate.or(starredChanges);
diff --git a/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java b/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java
index c87a2d9..7e2c767 100644
--- a/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java
+++ b/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java
@@ -1177,8 +1177,7 @@
   }
 
   private Predicate<ChangeData> starredBySelf() throws QueryParseException {
-    return ChangePredicates.starBy(
-        args.starredChangesUtil, self(), StarredChangesUtil.DEFAULT_LABEL);
+    return ChangePredicates.starBy(args.starredChangesUtil, self());
   }
 
   private Predicate<ChangeData> draftBySelf() throws QueryParseException {