fix(manifestst): remove empty CRD folder and reference

[zdtsw]

fix code sync from upstream c771aae which is causing kustomize failing and ODH opeartor not functional

error:
Error: accumulating resources: accumulation err='accumulating resources from '../crd': '...../codeflare/crd' must resolve to a file': couldn't make target for path '.../codeflare/crd': kustomization.yaml is empty

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Merge criteria:

• The commits are squashed in a cohesive manner and have meaningful messages.
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

[zdtsw]

@anishasthana / @dimakis we need fix for this, it is blocking operator PR tests and will be for odh-nightly too

[openshift-ci]

@zdtsw: 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/security	46ebf20	link	false	/test security
ci/prow/e2e-odh-cfo	46ebf20	link	true	/test e2e-odh-cfo

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[anishasthana]

Cc @dimakis @sutaakar @ChristianZaccaria can you look at this when you're on tomorrow? Looks like we have a CVE issue as well -- we will need to take these changes downstream too, to the right release branch.

[dimakis]

/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dimakis, sutaakar

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[zdtsw]

if we would like sync, can have this PR closed and get it from upstream project-codeflare#504