staging: rtl8723bs: remove unnecessary braces from conditionals

Removed the braces from if else statements in core/rtw_wlan_util.c since
the previous commit (6a257dd6de516573) caused all conditional blocks to
have a single statement in the function check_assoc_AP.

Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh630@gmail.com>
Link: https://lore.kernel.org/r/20210524135105.5550-3-chouhan.shreyansh630@gmail.com


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