Update README.md

If you use our model, kindly cite our paper:

@inproceedings{xu2021lisn,
title={LISN@ WMT 2021},
author={Xu, Jitao and Rauf, Sadaf Abdul and Pham, Minh Quang and Yvon, Fran{\c{c}}ois},
booktitle={6th Conference on Statistical Machine Translation},
year={2021}
}

README.md

@@ -14,7 +14,6 @@ library_name: fairseq
 pipeline_tag: translation
 
 tags:
-- finance
 - Biomedical
 - Fr-En
 - French-English MT