Remove last readme and symlink test
Last MR for gitlab-docs
to clean up all the README.md files in the projects.
This removes the symlink task completely (added in !1499 (merged)), as we won't have any readme files left.
- Related to gitlab!64886 (merged)
- Related to gitlab!64887 (merged)
- Related to #864 (closed)
Edited by Marcel Amirault