Add missing roles to create ClusterRoleBinding for CodeFlare operator

[sutaakar]

Cleanup after MCAD removal

Issue link

https://issues.redhat.com/browse/RHOAIENG-5297

What changes have been made

Refactored and cleaned controller RBAC permissions.

Verification steps

Install CFO as a dedicated operator using OLM:

• export custom VERSION and IMAGE_ORG_BASE env variable, pointing to your registry and your version.
  make image-build
make image-push
make bundle-build
make bundle-push
make catalog-build
make catalog-push
• create own OpenShift/OLM CatalogSource pointing to your built catalog
• Install CodeFlare operator from added catalog
• Use the CFO together with other components and SDK to spin up Ray cluster.

Checks

• I've made sure the tests are passing.
• Testing Strategy
  • Unit tests
  • Manual tests
  • Testing is not required for this change

[Fiona-Waters]

Ran this on my openshift cluster along with codeflare-sdk main branch and kueue, and it works as expected. I was able to successfully create a ray cluster using a demo notebook. Thanks @sutaakar for allowing me to use your catalog image.
/lgtm

[sutaakar]

/approve

[openshift-ci]

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