Use more specific nolint comments for unused code
Use more specific nolint comments for unused code

... and use //nolint instead of // nolint, per
https://golangci-lint.run/usage/false-positives/ .

Signed-off-by: Miloslav Trmač <9c008e38982a5397deb855345fb164f0558459ae@redhat.com>

containers/image,containers/image