Reduce the amount of repositories that use homu, even though they do not have to

[Kobzol]

• cargo
  • Switch CI from bors to merge queue cargo#14718
  • Switch cargo from bors to merge-queue team#1590
• clippy
  • Switch CI from bors to merge queue rust-clippy#13587
  • Switch clippy from bors to merge queue team#1592
• crater
  • Switch CI from bors to merge queue crater#746
  • Switch crater from bors to merge-queue team#1588
• rust-analyzer
  • Switch CI from bors to merge queues rust-analyzer#18372
  • Switch rust-analyzer from bors to merge-queue team#1587
• miri
  • Switch CI to merge queues miri#3981
  • Remove bors from miri team#1583
• chalk
  • Configure CI for merge queue chalk#818
  • Remove bors from chalk team#1582
• hashbrown
  • Switch from using Bors to merge queue in CI hashbrown#575
  • Remove bors from hashbrown team#1577

Discussion on Zulip: https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/Reducing.20the.20amount.20of.20repos.20that.20use.20bors.2Fhomu

[MarcoIeni]

Shall we talk to the maintainers of these projects and suggest to move to github queues because they are more reliable?

[Kobzol]

Yes, did that on Zulip, added a link :)

[Kobzol]

All repos except for rust-lang/rust have switched to merge queues.