staging: r8188eu: remove unnecessary braces in rtw_xmit.c

Remove unnecessary braces reported by checkpatch.pl in rtw_xmit.c.

Signed-off-by: Marcelo Aloisio da Silva <marcelo.as@aol.com>
Link: https://lore.kernel.org/r/20220119034933.GA29744@snoopy


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