staging: r8188eu: remove wrapper rtw_IOL_exec_cmds_sync()

Function rtw_IOL_exec_cmds_sync() is just a wrapper around
rtl8188e_IOL_exec_cmds_sync(). Remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210910111110.4628-2-straube.linux@gmail.com


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