docs: async def remove_participant(self, p: Participant):
          """ remove a participant from the tournament
  
          |methcoro|
  
          Args:
              p: the participant to remove
  
          Raises:
              APIException
  
          """
          await self.connection('DELETE', 'tournaments/{}/participants/{}'.format(self._id, p._id))
          if p in self.participants:
              self.participants.remove(p)