staging: rtl8723bs: core: rtw_recv: fix warning Unneeded variable ret
fix below warning reported by coccicheck
drivers/staging/rtl8723bs/core/rtw_recv.c:1903:5-8: Unneeded variable:
"ret". Return "_SUCCESS" on line 1972
drivers/staging/rtl8723bs/core/rtw_recv.c:1618:6-9: Unneeded variable:
"ret". Return "_SUCCESS" on line 1705