staging: r8188eu: remove RT_PRINT_DATA macro

Remove RT_PRINT_DATA definition from include/rtw_debug.h, and its
two calling statements in hal/hal_com.c, as this code was not written
with best practices in mind and is safer to simply remove.

Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210731235648.67642-1-phil@philpotter.co.uk


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