``overcloud node delete`` at present matches the provided nova
instance ids with existing severs to build the heat blacklist.
This patch would allow users to also use hostnames when deleting
nodes. This will work with deployed servers and scale_playbook.yaml
that matches host pattern.
Partial-Bug: #1869089
Change-Id: I3066689facc169125ade29156190cb98910f32b8
(cherry picked from commit be7c90e30c)
(cherry picked from commit 56c0fd5caf)