[ChangeLog][QtSensors][Platform Specific Changes] Removed support
for BlackBerry 10 from QtSensors.

Change-Id: I56788caaa53797b7d4e23bb053c3ea8b460b1341
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>