staging: r8188eu: remove odm_DynamicBBPowerSaving()

SupportICType is ODM_RTL8188E in this driver. So function
odm_DynamicBBPowerSaving() does nothing, remove it. It is the only
user of odm_1R_CCA(), remove that function as well.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210928131930.8866-1-straube.linux@gmail.com


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