remove commented out old line
remove commented out old line


Former-commit-id: 9273a66505f5356f8dc629d2037603e9ff47d537
danielhers/dynet,danielhers/dynet,shuheik/dynet,clab/dynet,shuheik/dynet,xunzhang/dynet,danielhers/dynet,danielhers/dynet,chunyang-wen/dynet,clab/dynet,xunzhang/dynet,chunyang-wen/dynet,clab/dynet,shuheik/dynet,clab/dynet,clab/cnn,clab/cnn,chunyang-wen/dynet,clab/dynet,xunzhang/dynet,xunzhang/dynet,shuheik/dynet,clab/dynet,danielhers/dynet,clab/dynet,shuheik/dynet,shuheik/dynet,chunyang-wen/dynet,danielhers/dynet,shuheik/dynet,danielhers/dynet,clab/cnn