code: def remove_roles(self, databaseName, roleNames, collectionName=None):
          
          for roleName in roleNames:
              self.remove_role(databaseName, roleName, collectionName)
docs: Remove multiple roles
          
          Args:
              databaseName (str): Database Name
              roleNames (list of RoleSpecs): roles
              
          Keyword Args:
              collectionName (str): Collection