Add the capability to taint nodes during the initialization stage.
It applies only once, as other controllers may later untaint the node.
Signed-off-by: Serge Logvinov <serge.logvinov@sinextra.dev>
Since the introduction of transformation rules, this logic is no longer necessary.
The skipForeignNode flag was undocumented before, making its removal straightforward.
Signed-off-by: Serge Logvinov <serge.logvinov@sinextra.dev>