Thanks. I started looking at a couple other plugins. But good that s/he is making edits on this. Maybe I’ll come back.
I actually claim that it’s the opposite of a “hidden link”, it is shown–at the bottom of everything. It doesn’t do anything for visitors. You can put all the help and instructions needed in the installation tab that WordPress provides for each plugin.
Having to edit a file to remove something that’s not doing anything for the user is a bit unusual. Instead, why not make it not shown by default and then allow an option that if someone wants to show it, then it can be shown.