DROP: fix(manifests): missing namespace in CM stack-config

[sutaakar]

Cherrypick of project-codeflare#521

Description

How Has This Been Tested?

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

[openshift-ci]

@sutaakar: 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	10ffcf2	link	false	/test security
ci/prow/e2e-odh-cfo	10ffcf2	link	true	/test e2e-odh-cfo

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[astefanutti]

/lgtm

[astefanutti]

/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: astefanutti

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