cleanup: remove obsolete scripts and update GitHub Actions for Quay.io

- Remove obsolete deployment scripts outside /scripts folder
- Remove redundant scripts inside /scripts folder
- Remove release.sh as it won't be used in the process
- Update GitHub Actions to use Quay.io instead of Docker Hub
- Update registry references from andersonid to quay.io/rh_ee_anobre
- Simplify deployment instructions to use deploy-complete.sh
- Clean up codebase to maintain only essential scripts

.github/workflows/deploy-to-openshift.yml

@@ -22,7 +22,7 @@ on:
 
 env:
   IMAGE_NAME: resource-governance
-  REGISTRY: andersonid
+  REGISTRY: quay.io/rh_ee_anobre
 
 jobs:
   deploy-to-openshift: