This function was used internally, but is no longer used. Users should check
the value of the `DOCKER_CONTENT_TRUST` environment variable instead.
There are no known external users of this method, so already removing it
from the Cli interface; this method will be removed in the next release.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 11d40488dd)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
118548d02b