Fix the "red" change size on elasticsearch site UI

The size of a newly created change from the elasticsearch site UI was
erroneously "undefined" (red as was shown on the UI). This change
removes the additional condition for setting the changed lines so that
the corresponding size bar for the change can be shown correctly on the
UI.

Bug: Issue 8525
Change-Id: I75fbe24d00c876a656f00bf041c00358aefc127f
diff --git a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticChangeIndex.java b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticChangeIndex.java
index 3360ed3..dd568d5 100644
--- a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticChangeIndex.java
+++ b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticChangeIndex.java
@@ -300,9 +300,7 @@
         // Changed lines.
         int added = addedElement.getAsInt();
         int deleted = deletedElement.getAsInt();
-        if (added != 0 && deleted != 0) {
-          cd.setChangedLines(added, deleted);
-        }
+        cd.setChangedLines(added, deleted);
       }
 
       // Mergeable.