Clean up docs redirects - 2021-12-09
Monthly cleanup of docs redirects.
See https://about.gitlab.com/handbook/engineering/ux/technical-writing/#regularly-scheduled-tasks
_Created automatically: https://gitlab.com/gitlab-org/gitlab-docs/-/blob/main/doc/raketasks.md#clean-up-redirects_
Related to technical-writing#514 (closed)
Edited by Marcel Amirault