Update README.md

Author: feiyuxiaoThu

Diff for: README.md

@@ -51,8 +51,6 @@ Transformer编码层：按照 Bert 和 albert 会有不同
 
 ## 效果对比
 ![](https://gitee.com/feiyuxiao/blogimage/raw/master/img/bert_final.png)
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 ## 参考文献
 
 1. [BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding](https://arxiv.org/abs/1810.04805)