Remove payment_method_id from accountUpdateSetup (#169)

* Remove `payment_method_id` from accountUpdateSetup

It's not being processed by API.

* Regenerate go client

* Update js test snapshots

Author: kitop

go/models/account_update_setup.go

@@ -194,9 +194,6 @@ Generated by [AVA](https://ava.li).
             name: {
               type: 'string',
             },
-            payment_method_id: {
-              type: 'string',
-            },
             slug: {
               type: 'string',
             },
@@ -2486,9 +2483,6 @@ Generated by [AVA](https://ava.li).
                     name: {
                       type: 'string',
                     },
-                    payment_method_id: {
-                      type: 'string',
-                    },
                     slug: {
                       type: 'string',
                     },

src/convert.test.js.md

@@ -2303,8 +2303,6 @@ definitions:
         type: string
       type_id:
         type: string
-      payment_method_id:
-        type: string
       extra_seats_block:
         type: integer
       billing_name: