code: public BoxRequestsFolder.DeleteFolderFromCollection getDeleteFromCollectionRequest(String id) {
          BoxRequestsFolder.DeleteFolderFromCollection request = new BoxRequestsFolder.DeleteFolderFromCollection(id, getFolderInfoUrl(id), mSession);
          return request;
      }
docs: Gets a request that removes a folder from a collection
  
  @param id        id of folder to delete from the collection
  @return request to delete a folder from a collection