code: public BoxRequestsFolder.UpdateFolder getDisableSharedLinkRequest(String id) {
          BoxRequestsFolder.UpdateFolder request = new BoxRequestsFolder.UpdateFolder(id, getFolderInfoUrl(id), mSession)
                  .setSharedLink(null);
          return request;
      }
docs: Gets a request that disables a shared link for a folder
  
  @param id        id of folder to disable a shared link for
  @return      request to create a shared link for a folder