Hide the language selector when there is only one
We know that at least Kiwix wants some single-languages deployments.
There's no reason to display a combo-box which only allows a single choice.
Fixes #853 (closed)
We know that at least Kiwix wants some single-languages deployments.
There's no reason to display a combo-box which only allows a single choice.
Fixes #853 (closed)