comment out unused var

qjs.c

@@ -306,7 +306,7 @@ int main(int argc, char **argv)
     int trace_memory = 0;
     int empty_run = 0;
     int module = -1;
-    int load_std = 0;
+    //int load_std = 0; //we don't need this anymore, we ignore this and always load std libs
     int dump_unhandled_promise_rejection = 0;
     size_t memory_limit = 0;
     char *include_list[32];