code: function resetSkin ({accessToken}, profileId) {
    return fetch(`${CORE_API}/user/profile/${profileId}/skin`, {
      method: 'DELETE',
      headers: {
        'user-agent': USER_AGENT,
        'authorization': `Bearer ${accessToken}`
      }
    })
      .then(handleErrors)
      .then(res => null)
  }
docs: Resets/deletes a logged-in user's in-game skin.
  
  @param {Object} session - object from authentication
  @param {string} session.accessToken - valid access token for the user's account
  @param {string} profileId - which profile UUID to update the skin of
  @returns {Promise} resolves if skin was deleted/reset
  @see {@link http://wiki.vg/Mojang_API#Reset_Skin}