chore: remove deprecated checkoutcom-flow and stripe-payment-element from CreateOrderInputDTO

[fedemint]

Description

Removes the deprecated checkoutcom-flow and stripe-payment-element payment.method enum options from CreateOrderInputDTO in packages/wallets/src/openapi.json. The existing card option covers the same card-payment flows, and this aligns the public SDK spec with the docs deprecation messaging.

Note: packages/client/base/src/lib/hosted-checkout/Order.ts still lists these values because it mirrors the order response schema, and the API currently still emits processor-specific method values in order objects.

Test plan

• Verified the file is valid JSON after the change
• Confirmed card remains a valid payment.method option in both anyOf branches of CreateOrderInputDTO
• Confirmed checkoutcom-flow and stripe-payment-element are no longer present in CreateOrderInputDTO.payment oneOf entries

Package updates

• This is a spec-only change in packages/wallets/src/openapi.json and does not change runtime code or public package APIs, so no changeset is required.

Link to Devin session: https://crossmint.devinenterprise.com/sessions/0e2ad01383a94c8282aa5dc3493084ca
Requested by: @fedemint

[devin-ai-integration]

Original prompt from Fede

SYSTEM:
=== BEGIN THREAD HISTORY (in #prog-documentation) ===
<most_recent_message>
Fede (U08TJFT76H5): @Devin check this thread:
<https://crossmint.slack.com/archives/C05KVC0AUL8/p1784805601731299?thread_ts=1784805601.731299&amp;amp;cid=C05KVC0AUL8|https://crossmint.slack.com/archives/C05KVC0AUL8/p1784805601731299?thread_ts=1784805601.731299&amp;amp;cid=C05KVC0AUL8>

Coud you review the docs and public resources to try and find any reference that would lead an external party to use the code in this thread incorrectly? Are there any mentions of it in our docs or code snippets with it?
</most_recent_message>
=== END THREAD HISTORY ===

Thread URL: https://crossmint.slack.com/archives/C04CU001TGA/p1784817707085829?thread_ts=1784817707.085829&amp;cid=C04CU001TGA

The latest message is the one right above that tagged you. The <most_recent_message> is the message that you should use to guide your goals + task for this session, and you should use the rest of the slack thread as context.

[devin-ai-integration]

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[changeset-bot]

🦋 Changeset detected

Latest commit: fff1426

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 9 packages

Name	Type
@crossmint/wallets-sdk	Patch
@crossmint/wallets-quickstart-devkit	Patch
@crossmint/wallets-playground-react	Patch
@crossmint/client-sdk-react-base	Patch
@crossmint/client-sdk-react-native-ui	Patch
@crossmint/client-sdk-react-ui	Patch
@crossmint/wallets-playground-expo	Patch
@crossmint/auth-ssr-nextjs-demo	Patch
@crossmint/client-sdk-nextjs-starter	Patch

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