- Move *one-shot* (one use) function where it is actually used (easier
to know what's going on).
- Remove `pullImageIfNotExist` function as it might be an artifact
from way back. We don't need it as we already have frozen/loaded
image of busybox.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Upstream-commit: b2320d121ca735a3879b40d493018b2e3a1a52da
Component: engine