Delta team/fix comment ui v2 (#11)

## Summary

What changed and why?

## Change Type

- [ ] Cowork feature
- [ ] Bug fix
- [ ] Core AI contribution
- [ ] Test / hardening
- [ ] Performance
- [ ] Documentation

## Related Work

Cowork Task:

Core Repo: http://34.143.229.138/gitea-admin/fsg-ai-core-assets

Core AI Issue:

Core Task:

Related PR:

## Scope

What is intentionally included?

What is intentionally NOT included?

## Validation

- [ ] Unit tests
- [ ] Integration tests
- [ ] Manual verification
- [ ] Regression check

Commands / evidence:

## Security Impact

Permission / credential / network / customer data impact:

## Compatibility

- [ ] No breaking change
- [ ] Breaking change documented

## Reviewer Notes

Anything Cowork reviewers should pay attention to.

Reviewed-on: #11
Co-authored-by: Duy Le Huu <duylh19@fpt.com>

i18n/cowork_tab.py

@@ -344,12 +344,6 @@ STRINGS: Dict[str, Dict[str, str]] = {
         "en": "Let the control agent review a command with AI before it runs.",
         "ja": "実行前に制御エージェントがAIでコマンドを確認します。",
         "vi": "Cho control-agent dùng AI xét lệnh trước khi chạy."},
-    "settings.sandbox_pw_unset_title": {
-        "en": "Sandbox Security", "ja": "サンドボックスセキュリティ", "vi": "Bảo mật Sandbox"},
-    "settings.sandbox_pw_unset_body": {
-        "en": "No sandbox password is set yet, so these settings stay locked. Set COWORK_SANDBOX_PASSWORD, or ask your administrator.",
-        "ja": "サンドボックスのパスワードが未設定のため、この設定はロックされたままです。COWORK_SANDBOX_PASSWORD を設定するか、管理者にお問い合わせください。",
-        "vi": "Chưa đặt mật khẩu sandbox nên nhóm thiết lập này vẫn khóa. Hãy đặt COWORK_SANDBOX_PASSWORD, hoặc liên hệ quản trị viên."},
     "settings.sandbox_confirm_commands": {
         "en": "Confirm before Cowork runs a command",
         "ja": "Cowork がコマンドを実行する前に確認する",