code: def remove_device(self, request):
          
          
          devices = self.__get_u2f_devices()
  
          for i in range(len(devices)):
              if devices[i]['keyHandle'] == request['id']:
                  del devices[i]
                  self.__save_u2f_devices(devices)
                  
                  return {
                      'status'  : 'ok', 
                      'message' : 'Successfully deleted your device!'
                  }
  
          return {
              'status' : 'failed', 
              'error'  : 'No device with such an id been found!'
          }
docs: Removes device specified by id