my university translated them into actual grades
Quotemy university translated them into actual gradesAs opposed to French grades, which are... fake grades?
If the credits show up on your home university transcript as pass/fail, it will do absolutely nothing to affect your GPA in one way or another. This is the majority of study abroad cases, including mine (for both when I had "fake" grades transferred and when I took "real" classes ). You don't have to submit a foreign transcript or anything else. In short, there's nothing to worry about or for you to do. I don't think it would make any difference if you submitted anything else... that's just usually how study abroad grades work.
French grades are on a 20 point scale, except that 17, 18, 19, or 20 are basically never awarded. I don't know a single french person who has ever gotten more than a 16 in a class. So while a 16 might numerically be the same as an 80, in terms of MEANING it's the same as an A.