No longer push to the official v2 registry when it is available. This allows pulling images from the v2 registry without defaulting push. Only pull official images from the v2 official registry.
Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
Upstream-commit: 88fdcfef02cdc8b4fcff10cded6a89a42a360ec1
Component: engine