Fix RHEL subscription activation key by removing auto_attach and syspurpose

[yckaolalala]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Remove auto_attach and syspurpose in RHEL subscription Organization ID/Activation Key registration.

Which issue(s) this PR fixes:

Fixes #10257

Special notes for your reviewer:

Both configurations can work, but I think the syspurpose parameter is unused and can be removed.

  community.general.redhat_subscription:
    state: present
    org_id: "{{ rh_subscription_org_id }}"
    activationkey: "{{ rh_subscription_activation_key }}"
    force_register: true
    syspurpose:
      usage: "{{ rh_subscription_usage }}"
      role: "{{ rh_subscription_role }}"
      service_level_agreement: "{{ rh_subscription_sla }}"
      sync: true

  community.general.redhat_subscription:
    state: present
    org_id: "{{ rh_subscription_org_id }}"
    activationkey: "{{ rh_subscription_activation_key }}"
    force_register: true

Does this PR introduce a user-facing change?:

Remove `auto_attach` and `syspurpose` in RHEL subscription Organization ID/Activation Key registration.

[k8s-ci-robot]

Hi @yckaolalala. Thanks for your PR.

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[floryut]

@yckaolalala Thank you 👍
/ok-to-test

[MrFreezeex]

Thanks! :D
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: floryut, MrFreezeex, yckaolalala

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