Clean-up: Removing the "Chinese" menu translation

This is outdated, and not the correct way to do it. The correct way is to extract the strings from the menu.xml file to the strings.xml and translate from there.

There shall be only one menu.xml file.
Clean-up: Removing old menus that are no longer used
Merge pull request #594 from arthurbenemann/CleanUpOldResources

Clean up old resources