You can find the scripts editor in the Tools menu in the mIRC menubar.
Once you open the scripts editor, you will need to click on the Aliases tab, then click View in the menubar to see which files are loaded.
You will then need to do the same thing with the Popups, Remote, Users, and Variables tabs.
If you see a servers.ini files listed in the View menu, you will need to select it, then click the File menu in the menubar and click on Unload.