Remove 'RC' from installer UI

Change-Id: Iec48c8dabd76e787a05ebc17aeb36799f339b2a6
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
Reviewed-by: Antti Kokko <antti.kokko@digia.com>
QNX: Remove 'RC' from installers

Change-Id: I9cc91ac94d0db33e5a108b90dcfacea878d8de37
Reviewed-by: Wolfgang Bremer <wbremer@blackberry.com>
Reviewed-by: Jani Heikkinen <jani.heikkinen@digia.com>