def remove_entity_tags(self):
        '''
        Returns
        -------
        A new TermDocumentMatrix consisting of only terms in the current TermDocumentMatrix
         that aren't spaCy entity tags.

        Note: Used if entity types are censored using FeatsFromSpacyDoc(tag_types_to_censor=...).
        '''
        terms_to_remove = [term for term in self._term_idx_store._i2val
                           if any([word in SPACY_ENTITY_TAGS for word in term.split()])]
        return self.remove_terms(terms_to_remove)
Returns
        -------
        A new TermDocumentMatrix consisting of only terms in the current TermDocumentMatrix
         that aren't spaCy entity tags.

        Note: Used if entity types are censored using FeatsFromSpacyDoc(tag_types_to_censor=...).