Update README.md

Author: YeAnbang

applications/ColossalChat/coati/distributed/README.md

@@ -247,7 +247,6 @@ In addition to the two default training settings provided—`GRPO` and `DAPO`—
         ```
         You are a helpful assistant.
         ```
-        generated code is
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 ## 🧪 Example: single machine 8-GPU Zero2 Strategy