A Pennsylvania liberal arts college has removed a college professor’s name from a campus building after it emerged he excavated a Native American burial site – but critics say the move is revisionist.  Swarthmore College scrubbed Spencer Trotter’s name from its Trotter Hall building after learning he dug up the site in 1899 and put remains on display on campus, the Philadelphia Inquirer reported. Trotter, who was part of the college’s biology department, promoted racial hierarchy in his works – which scholars have determined to be “scientific racism.” Swarthmore College has scrubbed biology professor Spencer Trotter’s name from its Trotter Hall building. Education Images/Universal Images Group via Getty Images Valerie Smith, the college’s president, revealed in December last year that Trotter Hall and Trotter Lawn would be renamed after an 18-month investigation. The hall has been temporarily named “Old Science Hall” and a permanent name will be announced in the fall.…