* Add a directory as rev2 in keybords/kudox.
* Modified default keymap of Kudox.
* Modified JIS keymap of Kudox.
* Changed kudox default from rev1 to rev2.
* Modified a keymap of kudox/x1.
* Move keyboards/kudox/keymaps to keyboards/kudox/rev1/.
* Remove keyboards/kudox/info.json.
* Modified kudox's READMEs.
* Remove unnecessary codes.
x1