staging: rtl8723bs: remove custom endian conversion macros

The rtw_cpu_to_leXX() and rtw_leXX_to_cpu() family of macros are
unnecessary and should be removed.

Signed-off-by: Bryan Brattlof <hello@bryanbrattlof.com>
Link: https://lore.kernel.org/r/20210629135824.47749-1-hello@bryanbrattlof.com


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