JSF: Setting <language-select> to false has no effect

[ Steps to reproduce ]

1. Add <language-select>false</language-select> to the web-client-config-custom.xml file as:

<config evaluator="string-compare" condition="Languages" replace="true">
<languages>
<language-select>false</language-select>
</languages>
</config>

[ Actual Result ]
Drop down of languages still shows (an empty drop down list)

[ Expected Result ]

Drop down of languages NOT to show as per comment in the documentation below:

[ Notes ]
As per documentation:
Sets the language selection from the login window. Set to false to select the language from the client browser locale and the language drop-down is not displayed.