Section *5.4. Adding custom public SSL certificates to CodeReady Workspaces trust-store* needs to removed from downstream (use ifdef in upstream to exclude it from downstreaming).

https://access.redhat.com/documentation/en-us/red_hat_codeready_workspaces/2.1/html/installation_guide/advanced-configuration-options_crw#adding-custom-certificates-to-trust-store_advanced-configuration-options

See also https://github.com/eclipse/che/issues/17082