- `replaceDockerfileForContentTrust` is only used when content trust is
enabled, so remove the boolean.
- rename `isContentTrustEnabled` to `contentTrustEnabled`
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
(cherry picked from commit 63ebcae382)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>