Alter billings table for ramon

What does this MR do and why?

Related to https://gitlab.com/gitlab-org/customers-gitlab-com/-/issues/8701

Adjusts billings table UI for Ramon plans to avoid showing content that isn't relevant to that plan.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

1. Update store/getters.js:

return TABLE_TYPE_RAMON;

1. Visit billing page http://localhost:3000/groups/<GROUP-NAME>/-/billings for any subscription that is not free and scroll to bottom for changes.