This makes the remote API version 1.12 and newer default to
automatically deleting intermediate containers when the build has
succeedeed.
Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
Upstream-commit: b60d6471721bc914dca179a4372303d41913cc4c
Component: engine