FREEPORT, Maine — L.L. Soon, it wasn’t enough to have a bag monogrammed with “Schlepper,” “HOT MESS,” “slayyyy” or “cool mom.” Customers began testing the limits of the human censors in L.L. Bean’s monogram department, which bans profanity “or other objectionable words or phrases,” with more provocative wording like “Bite me,” “Dum Blonde” and “Ambitchous.” Social media fueled the surge, …