staging: rtl8723bs: remove empty functions

The functions rtw_hal_dm_deinit(), odm_CmnInfoInit_Debug(), and
odm_BasicDbgMessage() are empty, hence we can remove them to get rid of
some dead code.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20250628142330.58045-1-straube.linux@gmail.com


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