Update readme.md (#29313)

Author: ChenxiJiang333

specification/mysql/resource-manager/readme.md

@@ -464,7 +464,7 @@ This is not used by Autorest itself.
 ``` yaml $(swagger-to-sdk)
 swagger-to-sdk:
   - repo: azure-sdk-for-net-track2
-  - repo: azure-sdk-for-python-track2
+  - repo: azure-sdk-for-python
   - repo: azure-sdk-for-java
   - repo: azure-sdk-for-go
   - repo: azure-sdk-for-js