remove fa2 compat note: self-inflicted training code caused fail

README.md

@@ -11,8 +11,7 @@ convert_v2.py
 
 Known Issues:
 
-1. [TRAINING] padding in-compatibility with flash attention2. If you use padding, training may fail
-2. [QUANT GPTQ] testing... 
+1. [QUANT GPTQ] testing... 
 ---
 inference: false
 license: other