AGENT-1052: Remove Validation for "At Least One Interface Must Be Defined for Each Node"

[pawanpinjarkar]

Remove the validation so that agent-config.yaml can be valid even if no interfaces/mac-addresses are defined when defining host information.

[openshift-ci-robot]

@pawanpinjarkar: This pull request references AGENT-1052 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.19.0" version, but no target version was set.

In response to this:

Remove the validation so that agent-config.yaml can be valid even if no interfaces/mac-addresses are defined when defining host information.

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-ci]

@pawanpinjarkar: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-vsphere-host-groups-ovn-custom-no-upgrade	76c4576	link	false	/test e2e-vsphere-host-groups-ovn-custom-no-upgrade
ci/prow/e2e-agent-compact-ipv4-appliance-diskimage	76c4576	link	false	/test e2e-agent-compact-ipv4-appliance-diskimage
ci/prow/integration-tests	76c4576	link	true	/test integration-tests
ci/prow/golint	76c4576	link	true	/test golint

Full PR test history. Your PR dashboard.

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