Migrate from dep to go module

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/k8s.io/csi-translation-lib/README.md

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+## Purpose
+
+This repository contains functions to be consumed by various Kubernetes and
+out-of-tree CSI components like external provisioner to facilitate migration of
+code from Kubernetes In-tree plugin code to CSI plugin repositories.
+
+Consumers of this repository can make use of functions like `TranslateToCSI` and
+`TranslateToInTree` functions to translate PV sources.
+
+## Community, discussion, contribution, and support
+
+Learn how to engage with the Kubernetes community on the [community
+page](http://kubernetes.io/community/).
+
+You can reach the maintainers of this repository at:
+
+- Slack: #sig-storage (on https://kubernetes.slack.com -- get an
+  invite at slack.kubernetes.io)
+- Mailing List:
+  https://groups.google.com/forum/#!forum/kubernetes-sig-storage
+
+### Code of Conduct
+
+Participation in the Kubernetes community is governed by the [Kubernetes
+Code of Conduct](code-of-conduct.md).
+
+### Contibution Guidelines
+
+See [CONTRIBUTING.md](CONTRIBUTING.md) for more information.