wireguard: allowedips: remove redundant selftest call

This commit fixes a useless call issue detected by Coverity (CID
1508092). The call to horrible_allowedips_lookup_v4 is unnecessary as
its return value is never checked.

Signed-off-by: Dheeraj Reddy Jonnalagadda <[email protected]>
Fixes: e7096c1 ("net: WireGuard secure network tunnel")
Signed-off-by: Jason A. Donenfeld <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: Dheeraj Reddy Jonnalagadda

drivers/net/wireguard/selftest/allowedips.c

@@ -383,7 +383,6 @@ static __init bool randomized_test(void)
 		for (i = 0; i < NUM_QUERIES; ++i) {
 			get_random_bytes(ip, 4);
 			if (lookup(t.root4, 32, ip) != horrible_allowedips_lookup_v4(&h, (struct in_addr *)ip)) {
-				horrible_allowedips_lookup_v4(&h, (struct in_addr *)ip);
 				pr_err("allowedips random v4 self-test: FAIL\n");
 				goto free;
 			}