chore: fix some comments

[timesince]

What

fix some comments

Why

Additional info (optional)

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[github-actions]

このPRによるapi.jsonの差分

差分はこちら

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 41.70%. Comparing base (4d75786) to head (140218e).

Files	Patch %	Lines
packages/backend/src/core/NoteDeleteService.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #14394      +/-   ##
===========================================
+ Coverage    39.91%   41.70%   +1.78%     
===========================================
  Files         1545     1549       +4     
  Lines       190505   196555    +6050     
  Branches      2651     2736      +85     
===========================================
+ Hits         76039    81971    +5932     
- Misses      113905   114021     +116     
- Partials       561      563       +2     

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[syuilo]

🙏🏻