This is a clone of issue OCPBUGS-30620. The following is the description of the original issue:
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AWS EBS, Azure Disk and Azure File operators are now built from cmd/ and pkg/, there is no code used from legacy/ dir and we should remove it.

There are still test manifests in legacy/ directory that are still used! They need to be moved somewhere else + Dockerfile.*.test and CI steps must be updated!

Technically, this is a copy of STOR-1797, but we need a bug to be able to backport aws-ebs changes to 4.15 and not use legacy/ directory there too.