In a similar way to how taking Wellbutrin (very mild NDRI like Ritalin) is
Not concerned about safety as I’ve taken it many times together, I just wonder if I might be better off with a solely serotonin thing and let the Adderall handle the norepinephrine part


Well, this is the kind of question that I would expect your doctor to answer for you. Generally, that is a better source than random people on the internet. If the two are prescribed together, there is probably a reason for it.
If you feel like you may do just as well with less medication, talk to your doc about that and simply plan to try it out for a while. Titrate off one of the meds and see how it affects you.
Good luck!