Noissue - Downloaded translations from XTM
This MR contains the following changes (see commits):
- Imported latest core translations from XTM. Note that some translations exceed the maximum character limitations that are defined in the spec.
- Removed outdated community translations.
- Removed outdated "updates_update_i1_image" core translations. This string was mistakenly uploaded to XTM, even though it was removed in #799 (closed).
- Removed unnecessary upper-case characters from German translations.
- Fixed linting errors.