update todo
uk "українськ" translation #1741. Author: Anonymous.
sv "svenska" translation #1744. Author: Anonymous.
bg "български език" translation #1745. Author: Anonymous.
Revert "pl "polski" translation #1732. Author: Szymon Sawicki."

This reverts commit 44629e1adbb247009921e42e70215aca086a8f1b.