sl "slovenščina" translation #7314. Author: FRANC1944.
Revert "sl "slovenščina" translation #7314. Author: FRANC1944."

This reverts commit 2e387d3d21f07c4cb574b69c98b4adf431620c4d.
fix mg translation
ja "日本語" translation #7321. Author: hnishy.
sl "slovenščina" translation #7326. Author: woodswoods.
fix ja messages