EvaluationTask: Stop using deprecated getRefs method

Change-Id: I1bc6fb6d80fe2987835ac56da8a199682f7d7a31
diff --git a/src/main/java/com/ericsson/gerrit/plugins/gcconductor/EvaluationTask.java b/src/main/java/com/ericsson/gerrit/plugins/gcconductor/EvaluationTask.java
index a95e9df..387a59a 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/gcconductor/EvaluationTask.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/gcconductor/EvaluationTask.java
@@ -197,7 +197,7 @@
 
   private Collection<Ref> getAllRefs(FileRepository repo) throws IOException {
     RefDatabase refdb = repo.getRefDatabase();
-    Collection<Ref> refs = refdb.getRefs(RefDatabase.ALL).values();
+    Collection<Ref> refs = refdb.getRefs();
     List<Ref> addl = refdb.getAdditionalRefs();
     if (!addl.isEmpty()) {
       List<Ref> all = new ArrayList<>(refs.size() + addl.size());