Update Stripe flow; remove setup flow

[somebody1234]

Pull Request Description

• Close https://github.com/enso-org/cloud-v2/issues/2055
  • Use Stripe webpage instead

Important Notes

None

Checklist

Please ensure that the following checklist has been satisfied before submitting the PR:

• The documentation has been updated, if necessary.
• Screenshots/screencasts have been attached, if there are any visual changes. For interactive or animated visual changes, a screencast is preferred.
• All code follows the
  Scala,
  Java,
  TypeScript,
  and
  Rust
  style guides. In case you are using a language not listed above, follow the Rust style guide.
• Unit tests have been written where possible.
• If meaningful changes were made to logic or tests affecting Enso Cloud integration in the libraries,
  or the Snowflake database integration, a run of the Extra Tests has been scheduled.
  • If applicable, it is suggested to paste a link to a successful run of the Extra Tests.

[PabloBuchu]

1. Enso Pricing Page should contains: Solo, Solo billet Annual, Team and Enterprise
   When I click upgrade I want to see Solo, Solo Annual, Team and Enterprise options. No proxt dialog for solo and solo annual
2. After successful payment I landed on onboarding screen with again choosing a subscription plan and toast "Your subscription has ben updated"
3. Number are not adding up when you select 10 seats in team (1500x10 = 18000)
4. Lets remove the terms n service consent. I moved it to the stripe checkout page

[somebody1234]

3. 1500 is monthly, 1500 x 12 = 18000

[somebody1234]

re-requesting review from @kazcw for updated CR -

QA not yet addressed