staging: rtl8723bs: wifi_regd.c: remove superfluous braces

This patch removes unnecessary braces in an if/else-construct, thereby
fixing both a checkpatch.pl warning about superfluous braces and an
error about an ill-placed closing brace preceding the "else" keyword.

Signed-off-by: Fabian Wolff <fabian.wolff@fau.de>
Signed-off-by: Mate Horvath <horvatmate@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>