How do you remove the front brake rotors on 1998 mercury mountaineer 4wd?

Steps 1 through 4, in the link below, should work:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-8.html#post1618425

You will likely need a 1/2 in.-drive breaker bar (15 inches long or more) to remove the caliper mounting bracket bolts.

Am I right, there are only two bolts holding the caliper mounting bracket on.

Correct (15 mm).