Yes, you can click the language bar and check a box or uncheck a box in there somewhere that shuts it off.
Edit: If you right click the taskbar, select toolbars, you can uncheck the language bar. Or if the language bar is on, you can click the arrow that says options, click settings, then under preferences select language bar, then uncheck everything that is related to the language bar. Click OK and then OK and you are done.