Fix clipped notifications in sensitive mode

Remove unneeded return when mPublicLayout does not have children

Fixes: 228112945
Test: toggle between show all/sensitive/show none
      press power button twice to go to lockscreen
      => correct lockscreen notification layouts shown
Change-Id: I24147461875d7e2322f790b57889c75f1aee5016

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java

@@ -2658,9 +2658,6 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
             return;
         }
 
-        // bail out if no public version
-        if (mPublicLayout.getChildCount() == 0) return;
-
         if (!animated) {
             mPublicLayout.animate().cancel();
             mPrivateLayout.animate().cancel();