* Remove i2 from build
* Remove i2 php registration
* Rename old checkout dir
* Rename i2 dir
* Migrate i1 to i2 code
* Register block metadata to fix frontend rendering when migrating to i2
* Register in correct order
* Missing styles
* add register-components to side effectful list
* wrong block class in e2e test
* wp prefix missing on selector
* Fix top level block test
* Reselect labels to work around rerendering
* missing empty cart styles
* Consolodate duplicate styles
* remove init code
* update selectBlockByName
Co-authored-by: Nadir Seghir <nadir.seghir@gmail.com>
* Checkout class tidyup
* CheckoutProcessor placeholder
* ShippingMethodDataX to ShippingDataX
* Remove billing from checkout provider
* Remove billing data hook
* Remove billing from payment methods state
* Update typedefs
* Billing context
* Fix billing and shipping context persistence bugs
* Remove address form change
* Move phone back; another PR can deal with this
* Remove unused state
Mike Jolley