cp3011-22 were software-decommed from their old cache roles in T125485. They're still booted and puppeting, using just `include standard` for puppet in site.pp. They need standard wipe and decom (or reclaim/spare). Note one exception: cp3011 is has been powered off for a long time already due to hardware issues in T92306.
[x] - all system services confirmed offline from production use
[x] - set all icinga checks to maint mode/disabled while reclaim/decommmission takes place.
[x] - remove system from all lvs/pybal active configuration
[x] - any service group puppet/heira/dsh config removed
[x] - remove site.pp (replace with role::spare if system isn't shut down immediately during this process.)
START NON-INTERRUPPTABLE STEPS
[x] - disable puppet on host
[x] - remove all remaining puppet references (include role::spare)
[x] - power down host
[x] - disable switch port (all hosts)
[x] - remove production dns entries
[x] - puppet node clean, puppet node deactivate, salt key removed
END NON-INTERRUPPTABLE STEPS
[] - system disks wiped by onsite
[] - system unracked and decommissioned (by onsite), update racktables with result
[] - switch port configration removed from switch once unracked.