Fix the following coccinelle report:
./drivers/s390/net/qeth_l3_main.c:107:2-4: WARNING: possible condition with no effect (if == else)
Both branches are the same since
commit 
ab29c480b194 ("s390/qeth: replace deprecated simple_stroul()"),
so remove them.
Reported-by: Tosk Robot <tencent_os_robot@tencent.com>
Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
[jwi: point to the commit that introduced this]
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
                qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
                                          (ipatoe->proto == QETH_PROT_IPV4) ?
                                          4 : 16);
-               if (addr->proto == QETH_PROT_IPV4)
-                       rc = !memcmp(addr_bits, ipatoe_bits, ipatoe->mask_bits);
-               else
-                       rc = !memcmp(addr_bits, ipatoe_bits, ipatoe->mask_bits);
+               rc = !memcmp(addr_bits, ipatoe_bits, ipatoe->mask_bits);
                if (rc)
                        break;
        }