chore(docs): Updated API Reference (v2) (#8609)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

www/apps/api-reference/specs/admin/components/schemas/UpdateCartData.yaml

@@ -1,44 +0,0 @@
-type: object
-description: SUMMARY
-x-schemaName: UpdateCartData
-properties:
-  region_id:
-    type: string
-    title: region_id
-    description: The cart's region id.
-  customer_id:
-    type: string
-    title: customer_id
-    description: The cart's customer id.
-  sales_channel_id:
-    type: string
-    title: sales_channel_id
-    description: The cart's sales channel id.
-  email:
-    type: string
-    title: email
-    description: The cart's email.
-    format: email
-  currency_code:
-    type: string
-    title: currency_code
-    description: The cart's currency code.
-  shipping_address_id:
-    type: string
-    title: shipping_address_id
-    description: The cart's shipping address id.
-  billing_address_id:
-    type: string
-    title: billing_address_id
-    description: The cart's billing address id.
-  billing_address:
-    oneOf:
-      - $ref: ./CreateAddress.yaml
-      - $ref: ./UpdateAddress.yaml
-  shipping_address:
-    oneOf:
-      - $ref: ./CreateAddress.yaml
-      - $ref: ./UpdateAddress.yaml
-  metadata:
-    type: object
-    description: The cart's metadata.