REduce log level noise

[Siedlerchr]

Mandatory checks

• [x] I own the copyright of the code submitted and I licence it under the MIT license
• [ ] Change in CHANGELOG.md described in a way that is understandable for the average user (if change is visible to the user)
• [ ] Tests created for changes (if applicable)
• [ ] Manually tested changed features in running JabRef (always required)
• [ ] Screenshots added in PR description (for UI changes)
• [ ] Checked developer's documentation: Is the information available and up to date? If not, I outlined it in this pull request.
• [ ] Checked documentation: Is the information available and up to date? If not, I created an issue at https://github.com/JabRef/user-documentation/issues or, even better, I submitted a pull request to the documentation repository.

[github-actions[bot]]

The build for this PR is no longer available. Please visit https://builds.jabref.org/main/ for the latest build.

[koppor]

This was a follow-up to https://github.com/JabRef/jabref/pull/12165.

Thank you for fixing the noice - and the if condition; hope, it works ^^

[Siedlerchr]

Intellij said the condition is Obsolete