remove commented out code

h2/src/main/org/h2/expression/Function.java

@@ -1881,11 +1881,9 @@ public class Function extends Expression implements FunctionCall {
             break;
         }
         calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
-//        calendar.setTime(d1);
         calendar.setTimeInMillis(t1);
         int year1 = calendar.get(Calendar.YEAR);
         int month1 = calendar.get(Calendar.MONTH);
-//        calendar.setTime(d2);
         calendar.setTimeInMillis(t2);
         int year2 = calendar.get(Calendar.YEAR);
         int month2 = calendar.get(Calendar.MONTH);