When we added this deprecation warning, some registries had not yet
moved away from the deprecated specification, so we made the warning
conditional for pulling from Docker Hub.
That condition was added in 647dfe99a5,
which is over 4 Years ago, which should be time enough for images
and registries to have moved to current specifications.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 8c4af5dacb)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>