staging: rtl8723bs: remove member noise_level from struct dm_odm_t

because it is not used.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Nam Cao <namcaov@gmail.com>
Link: https://lore.kernel.org/r/5a8256d3823baaa72775da80d821749dfbda7ad4.1661020250.git.namcaov@gmail.com


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