Don't pass dummy arguments to java.lang.Enum when parsing Java

Since java.lang.Enum now pretends ot have an empty constructor, Java
trees should not pass any arguments to it either. (reverted from commit 39e1374)

Author: odersky

compiler/src/dotty/tools/dotc/parsing/JavaParsers.scala

@@ -832,7 +832,8 @@ object JavaParsers {
         AppliedTypeTree(javaLangDot(tpnme.Enum), List(enumType))
         */
       val superclazz = Apply(TypeApply(
-        Select(New(javaLangDot(tpnme.Enum)), nme.CONSTRUCTOR), List(enumType)), Nil)
+        Select(New(javaLangDot(tpnme.Enum)), nme.CONSTRUCTOR), List(enumType)),
+        List(Literal(Constant(null)),Literal(Constant(0))))
       val enumclazz = atSpan(start, nameOffset) {
         TypeDef(name,
           makeTemplate(superclazz :: interfaces, body, List(), true)).withMods(mods | Flags.JavaEnum)