[basic-card] Remove AutofillCardValidation and BasicCardResponse

This code is no longer used.

Bug: 1209835
Change-Id: I982e6e88d9cfebcf4a21ccd0f4c2f0159618c1f0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3831234
Reviewed-by: Rouslan Solomakhin <rouslan@chromium.org>
Commit-Queue: Stephen McGruer <smcgruer@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1035051}

components/payments/content/payment_request_state.cc

@@ -30,7 +30,6 @@
 #include "components/payments/content/payment_manifest_web_data_service.h"
 #include "components/payments/content/payment_response_helper.h"
 #include "components/payments/content/service_worker_payment_app.h"
-#include "components/payments/core/autofill_card_validation.h"
 #include "components/payments/core/error_strings.h"
 #include "components/payments/core/features.h"
 #include "components/payments/core/method_strings.h"

components/payments/core/BUILD.gn

@@ -10,10 +10,6 @@ static_library("core") {
     "android_app_description.h",
     "android_app_description_tools.cc",
     "android_app_description_tools.h",
-    "autofill_card_validation.cc",
-    "autofill_card_validation.h",
-    "basic_card_response.cc",
-    "basic_card_response.h",
     "can_make_payment_query.cc",
     "can_make_payment_query.h",
     "currency_formatter.cc",
@@ -179,7 +175,6 @@ source_set("unit_tests") {
 
   if (!is_android) {
     sources += [
-      "basic_card_response_unittest.cc",
       "payment_address_unittest.cc",
       "payment_options_unittest.cc",
       "payment_request_data_util_unittest.cc",