Where to manage cameras in 1.3.41.3?

I added two new cameras using the advanced configuration, but if I want to remove them, where can I do this?

I looking in the camerasBuiltin.xml and my custom cameras are NOT in there (as was before)? So where does this now get added or modified?

Thanks

check mydocuments > mission planner.
you will find all the config files.

THank you, found it in the documents directory