Remove invalid languages error

[seikyo-cho-lvgs]

Checklist:

Important

Please review the checklist below before submitting your pull request.

• Please open an issue before creating a PR or link to an existing issue -> dify-web got Invalid languages error #9925
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods

Description

This issue happened for a long time. Many users asked in Discord and Github Discussions but no one can answer it.
On the server side, the error log happened every minute that make the log server very heavy.
At least need to remove it right now. If there is any other issues need to be fix, please do it in the future. Now the console.error is unnecessary.

Fixes #9925

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update, included: Dify Document
• Improvement, including but not limited to code refactoring, performance optimization, and UI/UX improvement
• Dependency upgrade

Testing Instructions

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Test A
• Test B