Update instructions for v2 card fields (#97)

Author: gregjopa

advanced-integration/v2/README.md

@@ -8,16 +8,7 @@ Version 2 is the current advanced Checkout integration, and includes hosted card
 
 1. [Create an application](https://developer.paypal.com/dashboard/applications/sandbox/create)
 2. Rename `.env.example` to `.env` and update `PAYPAL_CLIENT_ID` and `PAYPAL_CLIENT_SECRET`.
-3. Replace `test` in [client/checkout.html](client/checkout.html) with your app's client-id
-4. Run `npm install`
-5. Run `npm start`
-6. Open http://localhost:8888
-7. Enter the credit card number provided from one of your [sandbox accounts](https://developer.paypal.com/dashboard/accounts) or [generate a new credit card](https://developer.paypal.com/dashboard/creditCardGenerator)
-
-## Examples
-
-The documentation for advanced Checkout integration using JavaScript SDK includes additional sample code in the following sections:
-
-- **3. Adding PayPal buttons and card fields** includes [a full-stack Node.js example](v2/examples/full-stack/).
-- **4. Call Orders API for PayPal buttons and card fields** includes [a server-side example](v2/examples/call-orders-api-server-side/)
-- **5. Capture order** includes [a server-side example](v2/examples/capture-order-server-side/)
+3. Run `npm install`
+4. Run `npm start`
+5. Open http://localhost:8888
+6. Enter the credit card number provided from one of your [sandbox accounts](https://developer.paypal.com/dashboard/accounts) or [generate a new credit card](https://developer.paypal.com/dashboard/creditCardGenerator)