This should be a no-brainer. Once a player accepts a mission, it is impossible to figure out what your rewards are for the mission unless you drop it and hail the contact again or complete the mission.
Instead of chopping out the reward info, the journal should show the rewards for a mission if you are reading the details.
No. Brainer. This should not be a tough thing to do, and it boggles the mind when I think about how this was not put in during beta.