Remove S105, S106, S107 ignores

[matsumotosan]

What does this PR do?

Fixes linting errors related to S105, S106, and S107. Remove from ignore-list in pyproject.toml.

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📚 Documentation preview 📚: https://pytorch-lightning--21196.org.readthedocs.build/en/21196/

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87%. Comparing base (3bcfc17) to head (bef2f36).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##           master   #21196    +/-   ##
========================================
- Coverage      87%      87%    -1%     
========================================
  Files         270      270            
  Lines       23822    23822            
========================================
- Hits        20795    20651   -144     
- Misses       3027     3171   +144