refactor: Delete legacy operation related to credentials#831

EzequielPostan merged 5 commits intoopen-source-nodeinput-output-hk/atala-prism:open-source-nodefrom

ATL-6668-delete-legacy-credentials-operationsinput-output-hk/atala-prism:ATL-6668-delete-legacy-credentials-operationsCopy head branch name to clipboard