remove unnecessary grayed object addition
@@ -101,7 +101,6 @@ static void blackenObject(DictuVM *vm, Obj *object) {
ObjClass *klass = (ObjClass *) object;
grayObject(vm, (Obj *) klass->name);
grayObject(vm, (Obj *) klass->superclass);
- grayObject(vm, (Obj *) klass->classAnnotations);
grayTable(vm, &klass->publicMethods);
grayTable(vm, &klass->privateMethods);
grayTable(vm, &klass->abstractMethods);
