Delete similar CI jobs
We want to delete some CI jobs:
- make all the CI jobs explicit using include (rather than the mix of matrix and non-matrix jobs we have right now)
- we might want to backport this change, so future CI backports are easier
- delete one of each pair of similar jobs with no options, rust, distcheck, and module-dirauth
Then we want to add or change some CI jobs in other tickets:
- #30860 (moved): change the chutney CI job so it runs on macOS using IPv6
- #31851 (moved): add a CI job for --disable-relay-mode
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