[mythtv] DELETE_RECORDING question

[Chris Petersen]

man, I really need to stop asking questions before I'm done thoroughly
looking at the code.  Now that I look deeper, I see once again that the
info from the backend is needed in order to properly format the delete
command.

anyway, there's a better way of dealing with this, which I've
implemented.  but I'll try to shut up sooner in the future.  :)

-Chris