py/objint: Remove TODO about checking of int() arg types with 2 args.

The arguments are checked by mp_obj_str_get_data and mp_obj_get_int.

py/objint.c

@@ -69,7 +69,6 @@ STATIC mp_obj_t mp_obj_int_make_new(const mp_obj_type_t *type_in, size_t n_args,
         case 2:
         default: {
             // should be a string, parse it
-            // TODO proper error checking of argument types
             size_t l;
             const char *s = mp_obj_str_get_data(args[0], &l);
             return mp_parse_num_integer(s, l, mp_obj_get_int(args[1]), NULL);