Reverts tile-ai/tilelang#671

[LeiWang1999]

as title, this may need review

[github-actions]

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[gemini-code-assist]

Summary of Changes

Hello @LeiWang1999, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

I've opened this pull request to revert the changes introduced in #671. The primary purpose of this revert is to remove the example_amd_flash_attn_fwd.py file, effectively undoing its addition to the codebase.

Highlights

• Revert Previous Change: This pull request fully reverts the changes made in #671.
• File Removal: The file examples/amd/example_amd_flash_attn_fwd.py, which provided an example of FlashAttention-2 forward pass principles for AMD GPUs using Tile-lang, has been removed from the repository.

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[gemini-code-assist]

Code Review

This pull request reverts the addition of the example_amd_flash_attn_fwd.py file. While the change is a simple file deletion, the pull request lacks a description explaining the reason for this revert. It's crucial to document why changes are being rolled back to provide context for the team and community. Please consider updating the description to clarify if the example was incorrect, causing issues, or is being replaced.