Remove docs about disabling feature flag

doc/user/project/settings/project_access_tokens.md

@@ -11,10 +11,8 @@ NOTE:
 Project access tokens are supported for self-managed instances on Core and above. They are also supported on GitLab.com Bronze and above (excluding [trial licenses](https://about.gitlab.com/free-trial/)).
 
 > - [Introduced](https://gitlab.com/groups/gitlab-org/-/epics/2587) in GitLab 13.0.
-> - It was [deployed](https://gitlab.com/groups/gitlab-org/-/epics/2587) behind a feature flag, disabled by default.
-> - [Became enabled by default](https://gitlab.com/gitlab-org/gitlab/-/issues/218722) in GitLab 13.3.
-> - It's recommended for production use.
-> - [Became available on GitLab.com](https://gitlab.com/gitlab-org/gitlab/-/issues/235765) in 13.5 for paid groups only.
+> - [Became available on GitLab.com](https://gitlab.com/gitlab-org/gitlab/-/issues/235765) in GitLab 13.5 for paid groups only.
+> - [Feature flag removed](https://gitlab.com/gitlab-org/gitlab/-/issues/235765) in GitLab 13.5.
 
 WARNING:
 This feature might not be available to you. Check the **version history** note above for details.