[Payments] Move Payment Request test files to chrome/test/data/payments

chrome/test/data/payments/basic_card.js

 /*
  * Copyright 2016 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /**
  * Merchant checks for ability to pay using debit cards.
  */
 function checkBasicDebit() { // eslint-disable-line no-unused-vars
@@ skipping 254 matching lines @@
           print(error);
         });
       })
       .catch(function(error) {
         print(error);
       });
   } catch (error) {
     print(error);
   }
 }