fix(client): replace Stripe with PayPal (#41924)

* feat: remove stripe payment option from client

* feat: remove stripe completely

* fix: remove last Stripe remnants

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

config/secrets.js

@@ -29,9 +29,6 @@ const {
 
   SENTRY_DSN,
 
-  STRIPE_PUBLIC_KEY,
-  STRIPE_SECRET_KEY,
-
   PAYPAL_CLIENT_ID,
   PAYPAL_SECRET,
   PAYPAL_VERIFY_WEBHOOK_URL,
@@ -95,11 +92,6 @@ module.exports = {
     dns: SENTRY_DSN
   },
 
-  stripe: {
-    public: STRIPE_PUBLIC_KEY,
-    secret: STRIPE_SECRET_KEY
-  },
-
   paypal: {
     client: PAYPAL_CLIENT_ID,
     secret: PAYPAL_SECRET,