Adding update that solves one logger issue for Evo2 training

[jstjohn]

Description

Use nemo training loop to take advantage of their one-logger configuration support. Also remove the private callback that broke checkpointing.

Type of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactor
• Documentation update
• Other (please describe):

CI Pipeline Configuration

Configure CI behavior by applying the relevant labels. By default, only basic unit tests are run.

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Unit tests marked as @pytest.mark.multi_gpu or @pytest.mark.distributed are not run in the PR pipeline.

For more details, see CONTRIBUTING

Note

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Pre-submit Checklist

• I have tested these changes locally
• I have updated the documentation accordingly
• I have added/updated tests as needed
• All existing tests pass successfully

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.53%. Comparing base (7dd1659) to head (69e5346).
⚠️ Report is 6 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1331      +/-   ##
==========================================
- Coverage   79.02%   76.53%   -2.50%     
==========================================
  Files         121      101      -20     
  Lines        9079     7932    -1147     
==========================================
- Hits         7175     6071    -1104     
+ Misses       1904     1861      -43     

see 20 files with indirect coverage changes

[jstjohn]

/ok to test 69e5346