There is zero incentive for me to do that and whole lot of incentive to not do it. I don't fancy the chances of trumped up charges under the Computer Misuse Act if they take it the wrong way.
Just taken a look. I agree there's some stuff in there they probably don't want you or I to know, but no sign of ability to book from what I've discovered.
It's not immediately apparent and not used by the app. You'll have to go looking for it. It also might have been removed, this was over a year ago.
If it was there, it probably still is. I can't imagine BA moving fast ;)