Inline blobCache.putBlob into blobCacheDestination.PutBlob
Inline blobCache.putBlob into blobCacheDestination.PutBlob

It's now the only caller.

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

Closes: #1218
Approved by: rhatdan

projectatomic/buildah,ipbabble/buildah,TomSweeneyRedHat/buildah,nalind/buildah-1,nalind/buildah,rhatdan/buildah,rhatdan/buildah,projectatomic/buildah,projectatomic/buildah,nalind/buildah-1,nalind/buildah,nalind/buildah-1,TomSweeneyRedHat/buildah,ipbabble/buildah,TomSweeneyRedHat/buildah,rhatdan/buildah