zonedatetime: fix literals

assira.commons/src/main/java/net/ranides/assira/time2/DateTimeLiteral.java

@@ -10,10 +10,6 @@ import java.time.ZonedDateTime;
 @UtilityClass
 public class DateTimeLiteral {
 
-    public static final ZonedDateTime MIN = datetime(1900, 1, 1, 0, 0, 0);
-
-    public static final ZonedDateTime MAX = datetime(4000, 1, 1, 0, 0, 0);
-
     public static ZonedTime time(ZoneId zone, int h, int m, int s) {
         return ZonedTime.of(zone, LocalTime.of(h, m, s));
     }