Revert "Rouge Metric: adding LCS precision and recall"
Revert "Rouge Metric: adding LCS precision and recall"

kontact-chan/seq2seq,liyi193328/seq2seq,liyi193328/seq2seq,google/seq2seq,liyi193328/seq2seq,chunfengh/seq2seq,google/seq2seq,kontact-chan/seq2seq,shashankrajput/seq2seq,chunfengh/seq2seq,kontact-chan/seq2seq,chunfengh/seq2seq,shashankrajput/seq2seq,liyi193328/seq2seq,shashankrajput/seq2seq,google/seq2seq,kontact-chan/seq2seq,shashankrajput/seq2seq,liyi193328/seq2seq,google/seq2seq,chunfengh/seq2seq