Qnx: Removing BlackBerry Environment Setup wizard

It is replaced by BlackBerry Setup options page.

Change-Id: If0f0b5c10f019fb587f98699e5b4ed4a14984b4f
Reviewed-by: David Kaspar <dkaspar@blackberry.com>
Reviewed-by: Nicolas Arnaud-Cormos <nicolas@kdab.com>