Update README.md

README.md

@@ -24,9 +24,5 @@ espnet
 espnet_model_zoo
 ```
 
-We use FlashAttention during training, but we do not need it during inference. Please install it as follows:
-```bash
-pip install flash-attn --no-build-isolation
-```
 
 **Example usage can be found in ESPnet:** https://github.com/espnet/espnet/tree/master/egs2/owsm_ctc_v3.1/s2t1