[AF] Minimize an integration test

This CL removes a server address from an integration test that deals
with server cards. The goal is to (a) keep the tests minimal and (b)
verify that the removed line is causing occasional flakiness of the
test.

Bug: 894001
Change-Id: Ia773506a051ef4134c37154900c2ffd54ede7048
Reviewed-on: https://chromium-review.googlesource.com/c/1373764
Commit-Queue: Jan Krcal <jkrcal@chromium.org>
Commit-Queue: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615884}

chrome/browser/sync/test/integration/two_client_wallet_sync_test.cc

@@ -82,7 +82,6 @@ IN_PROC_BROWSER_TEST_P(TwoClientWalletSyncTest, UpdateCreditCardMetadata) {
   GetFakeServer()->SetWalletData(
       {CreateSyncWalletCard(/*name=*/"card-1", /*last_four=*/"0001",
                             kDefaultBillingAddressID),
-       CreateSyncWalletAddress(/*name=*/"address-1", /*company=*/"Company-1"),
        CreateDefaultSyncPaymentsCustomerData()});
   ASSERT_TRUE(SetupSync());