remove old Popolo-differentiation notes (now in an OCDEP)
remove old Popolo-differentiation notes (now in an OCDEP)

mileswwatkins/pupa,influence-usa/pupa,opencivicdata/pupa,datamade/pupa,rshorey/pupa,opencivicdata/pupa,influence-usa/pupa,rshorey/pupa,mileswwatkins/pupa,datamade/pupa