delete obsolete annotations of conv_seq2seq
delete obsolete annotations of conv_seq2seq

kuke/models,kuke/models,lcy-seso/models,lcy-seso/models,kuke/models,kuke/models,qingqing01/models,lcy-seso/models,PaddlePaddle/models,PaddlePaddle/models,Superjom/models-1,qingqing01/models,Superjom/models-1,qingqing01/models,Superjom/models-1,PaddlePaddle/models