staging: rtl8192e: Remove unused variable bShift

Remove unused variable bShift as it is set and never evaluated.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/ff505fd05683a59b02ac2e3da115718d8a22735b.1708461563.git.philipp.g.hortmann@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>