code: function deleteTeamPolicy (params, cb) {
        let promise = null
        if (typeof cb !== 'function') [promise, cb] = asyncify()
  
        const { teamId, organizationId, policyId, instance } = params
  
        Joi.validate({ teamId, organizationId, policyId, instance }, validationRules.deleteTeamPolicy, function (err) {
          if (err) return cb(Boom.badRequest(err))
  
          removeTeamPolicy({ client: db, teamId, policyId, instance }, (err, res) => {
            if (err) return cb(err)
            teamOps.readTeam({ id: teamId, organizationId }, cb)
          })
        })
  
        return promise
      }
docs: Remove a specific team policy
  
  @param  {Object}   params { userId, organizationId, policyId, instance } "instance" optional
  @param  {Function} cb