Remove outdated ci_setup.md doc page and document MySQL and RSpec profiling for specific branches
requested to merge 30692-document-rspec-profile-and-mysql-branch-testing-and-remove-ci_setup-doc-page into master
- This allows any branch that includes
mysql
to be run against PostgreSQL and MySQL - This documents the trick above
- This documents the fact that any branch that includes
rspec-profile
to be profiled - This removes an outdated https://docs.gitlab.com/ce/development/ci_setup.html page /cc @axil
Closes #30692 (closed)