feat: Add support for creating payment methods to payment module (#11063)

CLOSES CLO-407

integration-tests/modules/__tests__/cart/store/cart.workflows.spec.ts

@@ -2543,7 +2543,6 @@ medusaIntegrationTestRunner({
             await paymentModule.createPaymentCollections({
               amount: 5001,
               currency_code: "dkk",
-              region_id: defaultRegion.id,
             })
 
           const paymentSession = await paymentModule.createPaymentSession(
@@ -2615,7 +2614,6 @@ medusaIntegrationTestRunner({
               await paymentModule.createPaymentCollections({
                 amount: 5000,
                 currency_code: "dkk",
-                region_id: defaultRegion.id,
               })
 
             const paymentSession = await paymentModule.createPaymentSession(

integration-tests/modules/__tests__/cart/store/carts.spec.ts

@@ -1330,7 +1330,6 @@ medusaIntegrationTestRunner({
           ).data.shipping_option
 
           paymentCollection = await paymentService.createPaymentCollections({
-            region_id: region.id,
             amount: 1000,
             currency_code: "usd",
           })