Revert "Update code quality documentation"
What does this MR do?
This MR reverts the documentation change for CodeQuality jobs until we stabilize the new implementation.
What are the relevant issue numbers?
Related https://gitlab.com/gitlab-org/gitlab-ee/issues/7125
Related https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/7827
Does this MR meet the acceptance criteria?
Edited by 🤖 GitLab Bot 🤖