Update ja_JP,ko_KR,ru_RU,zh_TW.properties

[cocomastergo]

Description

Please provide a summary of the changes, including relevant motivation and context.

Closes #(issue_number)

Checklist:

• I have read the Contribution Guidelines
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings

Contributor License Agreement

By submitting this pull request, I acknowledge and agree that my contributions will be included in Stirling-PDF and that they can be relicensed in the future under the MPL 2.0 (Mozilla Public License Version 2.0) license.

(This does not change the general open-source nature of Stirling-PDF, simply moving from one license to another license)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[PeterDaveHello]

With all due respect, it seems that the zh_TW translation quality appears to be machine-generated, and even contains zh_CN Simplified Chinese. Rather than using a flawed translation, it might be better to leave it untranslated.