Adapt to JDK-8367031: LocalDate.month & day are shorts again

(cherry picked from commit fc7d171)

Author: gilles-duboscq

espresso/src/com.oracle.truffle.espresso/src/com/oracle/truffle/espresso/meta/Meta.java

@@ -1007,14 +1007,8 @@ public Meta(EspressoContext context) {
 
         java_time_LocalDate = knownKlass(Types.java_time_LocalDate);
         java_time_LocalDate_year = java_time_LocalDate.requireDeclaredField(Names.year, Types._int);
-        java_time_LocalDate_month = diff() //
-                        .field(VERSION_24_OR_LOWER, Names.month, Types._short) //
-                        .field(VERSION_25_OR_HIGHER, Names.month, Types._byte) //
-                        .field(java_time_LocalDate);
-        java_time_LocalDate_day = diff() //
-                        .field(VERSION_24_OR_LOWER, Names.day, Types._short) //
-                        .field(VERSION_25_OR_HIGHER, Names.day, Types._byte) //
-                        .field(java_time_LocalDate);
+        java_time_LocalDate_month = java_time_LocalDate.requireDeclaredField(Names.month, Types._short);
+        java_time_LocalDate_day = java_time_LocalDate.requireDeclaredField(Names.day, Types._short);
         java_time_LocalDate_of = java_time_LocalDate.requireDeclaredMethod(Names.of, Signatures.LocalDate_int_int_int);
 
         java_time_ZonedDateTime = knownKlass(Types.java_time_ZonedDateTime);