Updated some zh_CN translate. (#6273)

* Translated using Weblate (Chinese (Simplified))

Currently translated at 95.0% (3854 of 4054 strings)

Translation: Orca Slicer/orcaslicer-main
Translate-URL: https://weblate.bysb.net/projects/orca-slicer/orcaslicer-main/zh_Hans/

* Translate (Chinese (Simplified)) updated

Currently translated at 95.7% (3882 of 4054 strings)

Translation: Orca Slicer/orcaslicer-main
Translate-URL: https://weblate.bysb.net/projects/orca-slicer/orcaslicer-main/zh_Hans/

* Update OrcaSlicer_zh_CN.po

Removed sth shouldnt in the file