Update README.md (#1094)

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## Summary by CodeRabbit

- **Documentation**
- Updated the README.md to remove references to the "DistriFusion"
project in the "Distributed Run" section, clarifying the current focus
on "xDiT" for distributed inference.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: strint

README.md

@@ -267,7 +267,6 @@ If you need Enterprise-level Support for your system or business, you can email
 ### Distributed Run
 If you want to do distributed inference, you can use onediff's compiler to do single-device acceleration in a distributed inference engine such as:
 - [xDiT](https://github.com/xdit-project/xDiT)
-- [DistriFusion](https://github.com/mit-han-lab/distrifuser)
 
 ## Citation
 ```bibtex