* Clean up train.py, removing unused tag jackknifing code
* Clean up train.py, removing unused tag jackknifing code

honnibal/spaCy,lygics/spaCy,aikramer2/spaCy,lygics/spaCy,explosion/spaCy,oroszgy/spaCy.hu,recognai/spaCy,spacy-io/spaCy,Gregory-Howard/spaCy,aikramer2/spaCy,lukw00/spaCy,honnibal/spaCy,lygics/spaCy,rebeling/spaCy,aikramer2/spaCy,spacy-io/spaCy,wbwseeker/spaCy,aikramer2/spaCy,pombredanne/spaCy,explosion/spaCy,wbwseeker/spaCy,lygics/spaCy,lukw00/spaCy,rebeling/spaCy,recognai/spaCy,raphael0202/spaCy,raphael0202/spaCy,oroszgy/spaCy.hu,rebeling/spaCy,Gregory-Howard/spaCy,banglakit/spaCy,rebeling/spaCy,lukw00/spaCy,banglakit/spaCy,wbwseeker/spaCy,oroszgy/spaCy.hu,aikramer2/spaCy,explosion/spaCy,pombredanne/spaCy,lukw00/spaCy,spacy-io/spaCy,raphael0202/spaCy,spacy-io/spaCy,honnibal/spaCy,recognai/spaCy,explosion/spaCy,banglakit/spaCy,Gregory-Howard/spaCy,wbwseeker/spaCy,raphael0202/spaCy,explosion/spaCy,raphael0202/spaCy,explosion/spaCy,wbwseeker/spaCy,wbwseeker/spaCy,banglakit/spaCy,spacy-io/spaCy,pombredanne/spaCy,lukw00/spaCy,raphael0202/spaCy,oroszgy/spaCy.hu,oroszgy/spaCy.hu,Gregory-Howard/spaCy,recognai/spaCy,honnibal/spaCy,banglakit/spaCy,rebeling/spaCy,lygics/spaCy,Gregory-Howard/spaCy,Gregory-Howard/spaCy,recognai/spaCy,pombredanne/spaCy,aikramer2/spaCy,spacy-io/spaCy,banglakit/spaCy,oroszgy/spaCy.hu,recognai/spaCy