remove documentation after sunset of DAR (#23270)

Author: chriskirkland

content/authentication/keeping-your-account-and-data-secure/reviewing-your-security-log.md

@@ -46,7 +46,6 @@ The events listed in your security log are triggered by your actions. Actions ar
 
 | Category name | Description
 |------------------|-------------------{% ifversion fpt or ghec %}
-| [`account_recovery_token`](#account_recovery_token-category-actions) | Contains all activities related to [adding a recovery token](/articles/configuring-two-factor-authentication-recovery-methods).
 | [`billing`](#billing-category-actions) | Contains all activities related to your billing information.
 | [`codespaces`](#codespaces-category-actions) | Contains all activities related to {% data variables.product.prodname_codespaces %}. For more information, see "[About {% data variables.product.prodname_codespaces %}](/github/developing-online-with-codespaces/about-codespaces)."
 | [`marketplace_agreement_signature`](#marketplace_agreement_signature-category-actions) | Contains all activities related to signing the {% data variables.product.prodname_marketplace %} Developer Agreement.
@@ -77,14 +76,6 @@ An overview of some of the most common actions that are recorded as events in th
 
 {% ifversion fpt or ghec %}
 
-### `account_recovery_token` category actions
-
-| Action | Description
-|------------------|-------------------
-| `confirm` | Triggered when you successfully [store a new token with a recovery provider](/articles/configuring-two-factor-authentication-recovery-methods).
-| `recover` | Triggered when you successfully [redeem an account recovery token](/articles/recovering-your-account-if-you-lose-your-2fa-credentials).
-| `recover_error` | Triggered when a token is used but {% data variables.product.prodname_dotcom %} is not able to validate it.
-
 ### `billing` category actions
 
 | Action | Description

content/authentication/securing-your-account-with-two-factor-authentication-2fa/recovering-your-account-if-you-lose-your-2fa-credentials.md

@@ -67,7 +67,7 @@ You can use your two-factor authentication credentials or two-factor authenticat
   ![Reset authentication settings button](/assets/images/help/2fa/reset-auth-settings.png)
 4. Click **Send one-time password** to send a one-time password to all email addresses associated with your account.
   ![Send one-time password button](/assets/images/help/2fa/send-one-time-password.png)
-5. Under "One-time password", type the temporary password from the recovery email {% data variables.product.prodname_dotcom %} sent. 
+5. Under "One-time password", type the temporary password from the recovery email {% data variables.product.prodname_dotcom %} sent.
   ![One-time password field](/assets/images/help/2fa/one-time-password-field.png)
 6. Click **Verify email address**.
 7. Choose an alternative verification factor.
@@ -77,34 +77,6 @@ You can use your two-factor authentication credentials or two-factor authenticat
   ![Alternative verification buttons](/assets/images/help/2fa/alt-verifications.png)
 8. A member of {% data variables.contact.github_support %} will review your request and email you within 3-5 business days. If your request is approved, you'll receive a link to complete your account recovery process. If your request is denied, the email will include a way to contact support with any additional questions.
 
-## Authenticating with an account recovery token
-
-{% warning %}
-
-**Warning:** Account recovery tokens are deprecated and will be disabled on **December 1st, 2021**. Please ensure you have configured other two-factor recovery methods. For more information, see "[Configuring two-factor authentication recovery methods](/articles/configuring-two-factor-authentication-recovery-methods)."
-
-{% endwarning %}
-
-If you lose access to the two-factor authentication methods for your account on {% data variables.product.product_location %}, you can retrieve your account recovery token from a partner recovery provider and ask {% data variables.product.prodname_dotcom %} Support to review it.
-
-If you don't have access to your two-factor authentication methods or recovery codes and you've stored an account recovery token with Facebook using Recover Accounts Elsewhere, you may be able to use your token to regain access to your account.
-
-If you're unable to regain access to your account, generate a one-time password to regain access. For more information, see "[Authenticating with a verified device, SSH token, or personal access token](#authenticating-with-a-verified-device-ssh-token-or-personal-access-token)."
-
-{% warning %}
-
-**Warnings:**
-- Before you retrieve an account recovery token, you should try using your [two-factor authentication codes](/articles/accessing-github-using-two-factor-authentication) or your two-factor authentication recovery codes to regain access to your account. For more information, see "[Recovering your account if you lose your 2FA credentials](/articles/recovering-your-account-if-you-lose-your-2fa-credentials)."
-
-{% endwarning %}
-
-1. On Facebook, navigate to your [Security Settings](https://www.facebook.com/settings?tab=security), then click **Recover Accounts Elsewhere**.
-  ![Facebook security settings page with Recover Accounts Elsewhere link](/assets/images/help/settings/security-facebook-security-settings-page.png)
-2. Click the recovery token associated with your account on {% data variables.product.product_location %}.
-  ![List of recovery tokens stored on Facebook](/assets/images/help/settings/security-github-rae-token-on-facebook.png)
-3. To redeem your account recovery token, click **Recover This Account**. A new window will open, returning you to {% data variables.product.product_name %}.
-  ![Modal box with information about your recovery token and Recover This Account button](/assets/images/help/settings/security-recover-account-facebook.png)
-4. Contact {% data variables.contact.contact_support %} to let them know that your account recovery token is ready for review.
 {% endif %}
 
 ## Further reading

data/glossaries/external.yml

@@ -7,10 +7,6 @@
     A token that is used in place of a password when performing Git operations
     over HTTPS with Git on the command line or the API. Also called a personal
     access token.
-- term: account recovery token
-  description: >-
-    **Deprecated and will be disabled December 1st, 2021.**
-    The authentication credential stored as part of an account recovery setup called Recover Accounts Elsewhere that allows you to store this backup credential.
 - term: API preview
   description: >-
     A way to try out new APIs and changes to existing API methods before they
@@ -403,7 +399,7 @@
   description: >-
     {% ifversion fpt or ghes > 3.1 or ghae %}
     The default development branch. Whenever you create a Git repository,
-    a branch named `main` is created, and becomes the active branch. 
+    a branch named `main` is created, and becomes the active branch.
     In most cases, this contains the local development, though that is purely by
     convention and is not required.{% else %}Name often chosen as an alternative to `master`
     for the default branch of a repository.{% endif %}
@@ -596,14 +592,6 @@
   description: >-
     To reapply a series of changes from a branch to a different base, and reset
     the HEAD of that branch to the result.
-- term: Recover Accounts Elsewhere
-  description: >-
-    **Deprecated and will be disabled December 1st, 2021.**
-    Allows users to add an extra security factor to their GitHub account in case they
-    lose access to their two-factor authentication method or recovery codes.
-    Users can associate their GitHub account with their Facebook account by
-    storing an authentication credential in the form of an account recovery token
-    for their GitHub account with Facebook.
 - term: recovery code
   description: A code that helps you regain access to your GitHub account.
 - term: release