Sets all pricing plans to no longer be primary.
The clearPrimary() function returns a Promise that is resolved when there are no pricing plans marked as primary.
After clearing the primary plan, when viewing pricing plans on the site, no plan is highlighted with a customizable ribbon.
This function requires elevated permissions and runs only on the backend and on dashboard pages.
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.