Fix API compatibility after rebase on upstream master

Author: anivar

rhino/src/main/java/org/mozilla/javascript/NativeES2025Iterator.java

@@ -20,10 +20,8 @@ static void init(Context cx, ScriptableObject scope, boolean sealed) {
                         LambdaConstructor.CONSTRUCTOR_FUNCTION,
                         NativeES2025Iterator::constructor);
 
-        constructor.defineConstructorMethod(
-                scope, "from", 1, NativeES2025Iterator::js_from, DONTENUM);
-        constructor.defineConstructorMethod(
-                scope, "concat", 0, NativeES2025Iterator::js_concat, DONTENUM);
+        constructor.defineConstructorMethod(scope, "from", 1, NativeES2025Iterator::js_from);
+        constructor.defineConstructorMethod(scope, "concat", 0, NativeES2025Iterator::js_concat);
 
         constructor.definePrototypeMethod(
                 scope,
@@ -160,13 +158,6 @@ private static Object getValue(Scriptable result) {
         return ScriptableObject.getProperty(result, "value");
     }
 
-    private static void closeIterator(Context cx, Scriptable scope, Scriptable iterator) {
-        Object returnMethod = ScriptableObject.getProperty(iterator, "return");
-        if (returnMethod instanceof Callable) {
-            ((Callable) returnMethod).call(cx, scope, iterator, ScriptRuntime.emptyArgs);
-        }
-    }
-
     private static Object js_toArray(
             Context cx, Scriptable scope, Scriptable thisObj, Object[] args) {
         Callable nextMethod = getNextMethod(thisObj);