staging: rtl8723bs: remove unnecessary parentheses

fix following post-commit checkpatch issue:

CHECK: Unnecessary parentheses around 'prxattrib->bdecrypted'
125: FILE: drivers/staging/rtl8723bs/core/rtw_recv.c:365:
+				if ((prxattrib->bdecrypted) && (brpt_micerror))

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/1453eec49833fc940e134fc14bc65d218ace0663.1617802415.git.fabioaiuto83@gmail.com


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