Remove outdated docs

[weshayutin]

Why the changes were made

DRAFT: Clean up old doc

How to test the changes made

READ and use your head

[kaovilai]

/lgtm

[kaovilai]

/hold

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kaovilai, shubham-pampattiwar, sseago, weshayutin

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [kaovilai,shubham-pampattiwar,sseago]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[weshayutin]

/unhold

[openshift-ci-robot]

/retest-required

Remaining retests: 0 against base HEAD 164bf42 and 2 for PR HEAD 38fb7e0 in total

[openshift-ci-robot]

/retest-required

Remaining retests: 0 against base HEAD 164bf42 and 2 for PR HEAD 38fb7e0 in total

[kaovilai]

/override ci/prow/4.19-e2e-test-cli-aws

          s: "failed to create backup via CLI: exit status 1, output: An error occurred: namespaces \"velero\" not found\n",

namespace issue for CLI being solved in #1899

[openshift-ci]

@kaovilai: Overrode contexts on behalf of kaovilai: ci/prow/4.19-e2e-test-cli-aws

In response to this:

/override ci/prow/4.19-e2e-test-cli-aws

         s: "failed to create backup via CLI: exit status 1, output: An error occurred: namespaces \"velero\" not found\n",

namespace issue for CLI being solved in #1899

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[openshift-ci]

@weshayutin: all tests passed!

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.