🚧 don't create che-workspace sa

[sparkoo]

Signed-off-by: Michal Vala mvala@redhat.com

che-server is responsible for che-workspace serviceaccount.

This PR

• don't create che-workspace sa
• pass CheWorkspaceClusterRole as CHE_INFRA_KUBERNETES_CLUSTER__ROLE__NAME to configmap for the server

TODO:

• fix che_controller test

--- FAIL: TestCheController (31.04s)
    che_controller_test.go:173: Custom role binding  not found: rolebindings.rbac.authorization.k8s.io "che-workspace-custom" not found

Issue: eclipse-che/che#15300

[sparkoo]

closing this as we need at least get roles permissions for che sa. Permissions should be solved in the scope of this issue eclipse-che/che#15493