[Blueprint servercloud-r-kdump-tool] Enable kdump mechanism from kdump-tool instead of kexec-tools

[Louis Bouchard]

Blueprint changed by Louis Bouchard:

Work items changed:
  Work items:
  [louis-bouchard] - kdump-tools needs to be MIR / file a bug: DONE
  [stefan-bader-canonical] - discuss linuxcrashdump changes on ubuntu-devel / ubuntu-kernel: DONE
- [stefan-bader-canonical] - linuxcrashdump changed to install kdump-tool (after discussion): TODO
+ [stefan-bader-canonical] - linuxcrashdump changed to install kdump-tool (after discussion): DONE
  [arges] - write better documentation for kdump-tool: TODO
  [dannf] - validate/invalidate with kdump-tools / mkdumpfile on ARM: TODO
  [louis-bouchard] - Integrate netdump support: POSTPONED
  [med] - netdump charm to aggregate dumps in a cloud: TODO

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Enable kdump mechanism from kdump-tool instead of kexec-tools
https://blueprints.launchpad.net/ubuntu/+spec/servercloud-r-kdump-tool