the boxes we have at scaleway (scw-arm-ams-01 and scw-arm-par-01) are "old" according to scaleway. this leads to various problems, documented in their ticket tracker: * #WJVJ-9718-KIPG - machines do not reboot unattended * #GHYX-4885-QWLA - kernel not used Their newer platform allows us to run our own kernels, and also handles reboots better. Right now scq-arm-ams-01 is down because I can't figure out how to reboot it properly, for example. This would require reinstalling the machines and setting them up as build boxes again. 1. [x] announced the change (service stopped in jenkins in early April, announce sent to tor-project on 2021-04-21) 2. [x] remove host from nagios 3. [x] stop VM (N/A, need to wipe the machine first) 4. [x] after delay, retire host from parent, backups, and puppet 5. [x] remove from LDAP 6. [x] power-grep to remove the IP 7. [x] remove from tor-passwords 8. [x] remove from DNSwl (N/A) 9. [x] remove from wiki, inventory 10. [x] wipe the machine at scaleway 11. [x] remove from reverse DNS