Hmm well I didn't do anything about adding it in the latest version of InfoMap. If people ask for it, I can always put it in as an option that can be enabled in the customizer program.
The equivalent for other mods would be to put the line in the index file, but commented out. So it's there if people want to enable it.
There's nothing wrong with modding the UI to remove windows, we do it already, only we usually put something else in instead. In this case though the reason is to remove temptation for those players who don't want to be tempted.
I think default settings for any mod should be what's appropriate for the majority of the playerbase. And since the vast majority who have spoken up on the subject of RMT have said they don't want it, then the default option for this window should be to have it disabled, wouldn't you agree?