Reduce image pull spew

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>

Author: brandond

scripts/package-airgap

@@ -22,7 +22,7 @@ fi
 
 airgap_image_file='scripts/airgap/image-list.txt'
 images=$(cat "${airgap_image_file}")
-xargs -tn1 ctr --debug -n moby images pull ${OPT_PLATFORM} <<< "${images}" || true
+xargs -tn1 ctr -n moby images pull ${OPT_PLATFORM} 1> /dev/null <<< "${images}" || true
 ctr -n moby images export ${OPT_PLATFORM} dist/artifacts/k3s-airgap-images-${ARCH}.tar ${images}
 zstd --no-progress -T0 -16 -f --long=25 dist/artifacts/k3s-airgap-images-${ARCH}.tar -o dist/artifacts/k3s-airgap-images-${ARCH}.tar.zst
 pigz -v -c dist/artifacts/k3s-airgap-images-${ARCH}.tar > dist/artifacts/k3s-airgap-images-${ARCH}.tar.gz