Remove unused field ConstructNFA.i

src/main/java/org/sablecc/sablecc/ConstructNFA.java

@@ -16,8 +16,6 @@ public class ConstructNFA extends DepthFirstAdapter
   private ResolveIds ids;
   private String stateName;
 
-  private int i;
-
   ConstructNFA(ResolveIds ids, String stateName)
   {
     this.ids = ids;