It is not supported to have both "import Qt.WebSockets 1.0" and
"import QtWebSockets 1.0" in the same project.

Task-number: QTBUG-46205
Change-Id: I71b824b091f4491b8ab5e1eae8290a51159b03e2
Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>