Revert "Changes to Lexeme for new string store scheme"
Revert "Changes to Lexeme for new string store scheme"

This reverts commit 717741b6cfc244dc1db07781bc333da9c35c52fa.

spacy-io/spaCy,explosion/spaCy,Gregory-Howard/spaCy,explosion/spaCy,Gregory-Howard/spaCy,recognai/spaCy,aikramer2/spaCy,recognai/spaCy,banglakit/spaCy,aikramer2/spaCy,spacy-io/spaCy,explosion/spaCy,raphael0202/spaCy,recognai/spaCy,aikramer2/spaCy,aikramer2/spaCy,aikramer2/spaCy,raphael0202/spaCy,spacy-io/spaCy,Gregory-Howard/spaCy,honnibal/spaCy,banglakit/spaCy,oroszgy/spaCy.hu,banglakit/spaCy,banglakit/spaCy,raphael0202/spaCy,explosion/spaCy,Gregory-Howard/spaCy,Gregory-Howard/spaCy,recognai/spaCy,recognai/spaCy,honnibal/spaCy,raphael0202/spaCy,raphael0202/spaCy,spacy-io/spaCy,oroszgy/spaCy.hu,explosion/spaCy,explosion/spaCy,aikramer2/spaCy,oroszgy/spaCy.hu,oroszgy/spaCy.hu,spacy-io/spaCy,banglakit/spaCy,recognai/spaCy,spacy-io/spaCy,oroszgy/spaCy.hu,banglakit/spaCy,Gregory-Howard/spaCy,honnibal/spaCy,oroszgy/spaCy.hu,raphael0202/spaCy,honnibal/spaCy