Update Lng.SilentNotes.zh

[kytrun]

Description

Please include a summary of the change and which issue is solved. List any dependencies that are required for this change.

Checklist:

In the contribution guidelines you can find more detailed instructions.

• [ ] I have added unit-tests, whenever this is possible with a reasonable amount of work
• [ ] My code follows the style guidelines of this project (StyleCop rules)
• [ ] I have commented all public functions
• [X] I have made corresponding changes to the localization files

[martinstoeckli]

Thanks a lot!