remove debugging output
remove debugging output

EdinburghNLP/nematus,EdinburghNLP/nematus,EdinburghNLP/nematus,shuoyangd/nematus,cshanbo/nematus,rsennrich/nematus,shuoyangd/nematus,Proyag/nematus,cshanbo/nematus,rsennrich/nematus,Proyag/nematus,Proyag/nematus,rsennrich/nematus,rsennrich/nematus,Proyag/nematus,Proyag/nematus,cshanbo/nematus,shuoyangd/nematus,shuoyangd/nematus,EdinburghNLP/nematus,shuoyangd/nematus,rsennrich/nematus,cshanbo/nematus,cshanbo/nematus,Proyag/nematus,cshanbo/nematus,shuoyangd/nematus,EdinburghNLP/nematus,EdinburghNLP/nematus,rsennrich/nematus