prevent client from looking up specific node in oc debug
#17028
Merged
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Reverts #16387
Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1505698
PR #16387 prevented a debug pod from being created at all, if a
specified node-name pointed to a node that did not exist.
Although the patch aimed to make "debug" command failures more
immediate, a client should not attempt to retrieve a specific node in
the "debug" command, as there is no guarantee that the user has access
to retrieve node information. While this means that the "debug" command
cc @openshift/cli-review @smarterclayton