refactor: remove unused import & redundant jump

[noritaka1166]

---

Description

remove unused import & redundant jump

Checklist

• I have followed the guidelines in the Contributing document
• My changes follow the coding style of this project
• My changes build without any errors or warnings
• My changes have been formatted and linted
• My changes include any required corresponding changes to the documentation (including CHANGELOG.md and README.md)
• My changes have been rebased and squashed to the minimal number (typically 1) of relevant commits
• My changes have a descriptive commit message with a short title, including a Fixes $XXX - or Closes #XXX - prefix to auto-close the issue that your PR addresses

[eamodio]

What is the intent here?

[noritaka1166]

What is the intent here?

@eamodio
I have been using the gitlens extension and it has been helpful.
I was hoping to contribute something, so I started with some minor refactoring.
Do you accept minor refactoring?