[CI] Remove workflow for ROCM 5.7.1

[grospelliergilles]

This version is very old and does not implemented required methods for cooperative_groups::grid_group.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.45%. Comparing base (33f2ec7) to head (e39f8bf).
⚠️ Report is 3 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2463      +/-   ##
==========================================
- Coverage   71.45%   71.45%   -0.01%     
==========================================
  Files        2427     2427              
  Lines      178819   178819              
  Branches    21097    21097              
==========================================
- Hits       127784   127781       -3     
+ Misses      43223    43222       -1     
- Partials     7812     7816       +4     

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