test: remove unused function arguments in async-hooks tests

Remove unused function arguments in two async-hooks tests.

PR-URL: #24368
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>

Author: Trott

test/async-hooks/test-getaddrinforeqwrap.js

@@ -14,7 +14,7 @@ const hooks = initHooks();
 
 hooks.enable();
 dns.lookup('www.google.com', 4, common.mustCall(onlookup));
-function onlookup(err_, ip, family) {
+function onlookup() {
   // we don't care about the error here in order to allow
   // tests to run offline (lookup will fail in that case and the err be set);
 

test/async-hooks/test-getnameinforeqwrap.js

@@ -14,7 +14,7 @@ const hooks = initHooks();
 
 hooks.enable();
 dns.lookupService('127.0.0.1', 80, common.mustCall(onlookupService));
-function onlookupService(err_, ip, family) {
+function onlookupService() {
   // we don't care about the error here in order to allow
   // tests to run offline (lookup will fail in that case and the err be set)