BlackBerry: Remove some dead code

Change-Id: I3b6c41f687b1763316cc05dbf66b204857e84747
Reviewed-by: David Kaspar <dkaspar@blackberry.com>
Reviewed-by: Mehdi Fekari <mfekari@blackberry.com>
Reviewed-by: Fanda Vacek <fvacek@blackberry.com>
Reviewed-by: Eike Ziller <eike.ziller@digia.com>