[BUGFIX] clean model checkpoints

[KenelmQLH]

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Description

(Brief description on what this PR is about)

What does this implement/fix? Explain your changes.

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Pull request type

• [DATASET] Add a new dataset
• [BUGFIX] Bugfix
• [FEATURE] New feature (non-breaking change which adds functionality)
• [BREAKING] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [STYLE] Code style update (formatting, renaming)
• [REFACTOR] Refactoring (no functional changes, no api changes)
• [BUILD] Build related changes
• [DOC] Documentation content changes
• [OTHER] Other (please describe):

Changes

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Does this close any currently open issues?

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Any relevant logs, error output, etc?

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Checklist

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Essentials

• PR's title starts with a category (e.g. [BUGFIX], [FEATURE], [BREAKING], [DOC], etc)
• Changes are complete (i.e. I finished coding on this PR)
• All changes have test coverage and al tests passing
• Code is well-documented (extended the README / documentation, if necessary)
• If this PR is your first one, add your name and github account to AUTHORS.md

Comments

• If this change is a backward incompatible change, why must this change be made.
• Interesting edge cases to note here

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.31%. Comparing base (d675143) to head (2bb0a06).
Report is 1 commits behind head on dev.

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Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #156   +/-   ##
=======================================
  Coverage   97.31%   97.31%           
=======================================
  Files          84       84           
  Lines        4651     4651           
=======================================
  Hits         4526     4526           
  Misses        125      125           

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