Replace SetObjectProperty / DefineObjectProperty with less powerful alternatives where relevant.

src/runtime/runtime.h

Index: src/runtime/runtime.h
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 86502ee6ea4271049ebbd337303991c90e32bd1a..b855ca5ac949ceccef075d7db70f886ead930cf2 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -822,10 +822,6 @@ class Runtime : public AllStatic {
       Isolate* isolate, Handle<Object> object, Handle<Object> key,
       Handle<Object> value, LanguageMode language_mode);
 
-  MUST_USE_RESULT static MaybeHandle<Object> DefineObjectProperty(
-      Handle<JSObject> object, Handle<Object> key, Handle<Object> value,
-      PropertyAttributes attr);
-
   MUST_USE_RESULT static MaybeHandle<Object> GetObjectProperty(
       Isolate* isolate, Handle<Object> object, Handle<Object> key);