live-boot is marked for autoremoval from testing

[Debian testing autoremoval watch]

live-boot 1:20170623 is marked for autoremoval from testing on 2018-01-09

It is affected by these RC bugs:
882769: live-boot-initramfs-tools: Cannot upgrade from Stretch: cp: target 
'/lib/live/mount/medium/live/vmlinuz.new' is not a directory