feat(payments): Switch all Mozilla accounts legal links over to Mozilla.org version

[elizabeth-ilina]

Because

• We use Mozilla account links (e.g. https://accounts.firefox.com/legal/terms) throughout the repo.

This pull request

• Updates links for all accounts & subplat surfaces to point to current versions on http://mozilla.org.

• Instead of downloadable PDFs for legal docs in SubPlat emails, replaces the links to download legal PDFs to the equivalent legal docs on http://mozilla.org (e.g., …/subscription_services_privacy_notice.pdf is replaced by https://www.mozilla.org/privacy/subscription-services/)

• Retires https://github.com/mozilla/fxa/actions/workflows/pull-legal-docs.yml github action

• Does NOT remove /legal/* routes or current Legal docs from the accounts CDN, since these need to stay in place for emails sent prior to this change to avoid broken URLs.

• Fixed subplat-moz-terms link target in the subscription email footer: The subscription email layout footer rendered a link labeled "Mozilla Accounts Terms of Service" (subplat-moz-terms) using subscriptionTermsUrl instead of the accounts ToS. Now hardcoded to https://www.mozilla.org/about/legal/terms/services/, matching how the subplat-legal link in the same file and moz-accounts-terms-url in the fxa layout already do it.

• FYI, a follow-up ticket was created to redirect ToS and Privacy Notice links hosted on firefox.com to mozilla.org.

• UI Updates:

  • "Enter confirmation code" page, updated links to Terms of Service and Privacy Notice

  • 

  • /legal page:

  • 

  • Checkout, location, and upgrade pages:

    • Updated links under Mozilla accounts + links under Product Name
    • Removed "Download terms"
    • 

  • SubPlat subscription emails:

    • For any of the SubPlat emails, such as subscription cancellation or reactivation, footer of emails, Terms and cancellation policy and Privacy notice were updated to https://www.mozilla.org/about/legal/terms/subscription-services and https://www.mozilla.org/privacy/subscription-services respectively
    • 

• Updated Strapi common content

  • What was updated:
  • Dev:
    * Mozilla VPN:
    privacyNoticeUrl: from https://cdn.accounts.firefox.com/legal/privacy-notice.pdf to https://www.mozilla.org/privacy/subscription-services
    termsOfServiceUrl: from https://cdn.accounts.firefox.com/legal/tos.html to https://www.mozilla.org/about/legal/terms/subscription-services
    * 123 Foxkeh
    * 123Done Pro
    * 123Done Pro Plus
    * Cooking with Foxkeh
    * Cooking with Foxkeh 2
  • Stage:
    * Nothing yet, will update after merging

Issue that this pull request solves

Closes #PAY-3829

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[StaberindeZA]

I noticed in the FxA sign up email that the one Privacy link had query params, but the terms one didn't. Is this related to any of these changes?

[StaberindeZA]

question: why hardcode the value instead of using the variable?

[elizabeth-ilina]

With regards to the FxA sign up email's Privacy link having query params but not Terms, this isn't related to these changes since this is currently the case on Stage as well:
Accounts Privacy notice is https://www.mozilla.org/privacy/mozilla-accounts/?utm_medium=email&utm_content=fx-privacy

And Accounts Terms of Service is https://www.mozilla.org/about/legal/terms/services/

About replacing the subscriptionTermsUrl with a hardcoded url - the display text for the link is "Mozilla Accounts Terms of Service", but subscriptionTermsUrl is a subscription services terms link (https://www.mozilla.org/about/legal/terms/subscription-services instead of https://www.mozilla.org/about/legal/terms/services/). The reason I made it a hardcoded url was because I couldn't find an appropriate existing Accounts Terms variable, and, I noticed that this url is being hardcoded in other similar places, such as L108 in the same file.
However, if using the subscriptionTermsUrl instead of the Accounts terms url was intentional in this case, please let me know and I'll revert the change!

[StaberindeZA]

r+. TY