correct conformer->transformer files

yaml test

yaml test

yaml test

yaml test

yaml test

fix yaml

yaml format

rm

https://github.com/espnet/espnet/blob/master/egs2/librispeech/asr1/README.md#asr_train_asr_conformer_raw_bpe_batch_bins30000000_accum_grad3_optim_conflr0001_sp

initial commit