Make it clearer that /licenses is the OS license templates endpoint (!4188) · Merge requests · GitLab.org / GitLab FOSS · GitLab

Following the discussion on https://gitlab.com/gitlab-org/gitlab-ce/commit/13804aba867d19009ca94d820aa7ec650a509f5a#note_4961954.

Corresponding EE MR: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/407