Update documentation for admin license page
We added a new license page in https://gitlab.com/gitlab-org/gitlab-ee/issues/7054. We should make sure that the docs in https://docs.gitlab.com/ee/user/admin_area/license.html reflect the new page.
We added a new license page in https://gitlab.com/gitlab-org/gitlab-ee/issues/7054. We should make sure that the docs in https://docs.gitlab.com/ee/user/admin_area/license.html reflect the new page.