Parameters
        ----------
        idx_to_delete_list, list

        Returns
        -------
        TermDocMatrix

def remove_terms_by_indices(self, idx_to_delete_list):
        '''
        Parameters
        ----------
        idx_to_delete_list, list

        Returns
        -------
        TermDocMatrix
        '''
        new_X, new_term_idx_store = self._get_X_after_delete_terms(idx_to_delete_list)
        return self._make_new_term_doc_matrix(new_X, self._mX, self._y, new_term_idx_store, self._category_idx_store,
                                              self._metadata_idx_store, self._y == self._y)