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: NFabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/1453eec49833fc940e134fc14bc65d218ace0663.1617802415.git.fabioaiuto83@gmail.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_recv.c

@@ -362,7 +362,7 @@ static signed int recvframe_chkmic(struct adapter *adapter,  union recv_frame *p
 				if ((IS_MCAST(prxattrib->ra) == true)  && (prxattrib->key_index != pmlmeinfo->key_index))
 					brpt_micerror = false;
 
-				if ((prxattrib->bdecrypted) && (brpt_micerror))
+				if (prxattrib->bdecrypted && brpt_micerror)
 					rtw_handle_tkip_mic_err(adapter, (u8)IS_MCAST(prxattrib->ra));
 
 				res = _FAIL;