Clean up refined formants
Clean up refined formants


PhonologicalCorpusTools/PyAnnotationGraph,MontrealCorpusTools/PolyglotDB,PhonologicalCorpusTools/PolyglotDB,PhonologicalCorpusTools/PyAnnotationGraph,PhonologicalCorpusTools/PolyglotDB,MontrealCorpusTools/PolyglotDB